Which of the following is the most valuable and famous commercial cash crop of Brazil?

Introduction / Context:
This question focuses on economic geography by asking for the most valuable cash crop associated with Brazil. Cash crops are grown primarily for sale rather than subsistence and can define a country export profile. Brazil is known worldwide for several agricultural products, but one crop in particular has had a long historical and economic importance. Recognising that coffee is strongly linked with Brazil helps students understand trade patterns and how some countries become global leaders in specific commodities.

Given Data / Assumptions:

• The question asks about the most valuable and famous cash crop of Brazil.
• Options include tea, coffee, cardamom and spices.
• We assume general knowledge of Brazil agricultural exports and world trade.
• Only one of these options dominates Brazil identity in exam level questions.

Concept / Approach:
Brazil is one of the world largest producers and exporters of coffee and has been associated with this crop for more than a century. The country climate and landscape in regions like Minas Gerais and Sao Paulo are well suited to coffee cultivation. While Brazil also produces other crops such as soybeans, sugarcane and citrus fruits, coffee remains a classic exam oriented answer. Tea is more strongly associated with countries like India, China, Sri Lanka and Kenya. Cardamom and mixed spices are important in South Asian trade rather than in Brazil. Therefore, coffee is the clear match for a question asking about Brazil most famous and valuable cash crop.

Step-by-Step Solution:
Step 1: Identify Brazil as a major agricultural exporter with a strong historical link to coffee production. Step 2: Recall that coffee plantations cover large areas in Brazilian highlands and that coffee exports have significantly contributed to the national economy. Step 3: Compare this with tea, which is more closely associated with Asian and East African countries. Step 4: Note that cardamom and general spices are strongly linked to India and other South Asian countries, not primarily to Brazil. Step 5: Conclude that coffee is the most valuable and well known cash crop of Brazil among the listed options.

Verification / Alternative check:
To verify, imagine supermarket shelves with coffee brands; many labels clearly state Brazilian origin or blends containing Brazilian coffee beans. International trade reports frequently list Brazil as a top or leading coffee exporter. Historical references to the Brazilian economy often mention coffee barons and coffee based development in certain periods. At the same time, Brazil is not commonly referenced as a major tea or cardamom producer in basic geography books. These consistent associations confirm that coffee is the expected answer in general knowledge and competitive exam contexts.

Why Other Options Are Wrong:
Tea is widely cultivated in India, China, Sri Lanka and Kenya but is not the signature cash crop of Brazil in world geography questions.
Cardamom is an important spice grown primarily in India, Guatemala and a few other tropical countries, and is not a major symbol of Brazilian agriculture.
Spices as a general category are linked with countries such as India and Indonesia rather than Brazil, which is better known for coffee, sugarcane and soybeans.

Common Pitfalls:
Some students may see the word spices and think of tropical agriculture in general, incorrectly assuming that any tropical country major crop can be described this way. Others may not consider the specific historical association between Brazil and coffee and might guess tea because they associate plantations with tea estates. To avoid such errors, it is useful to build clear one to one associations: Brazil and coffee, Sri Lanka and tea, India and spices, for example. These associations frequently appear in competitive exams and should become part of a student long term memory.

Final Answer:
The most valuable and famous commercial cash crop of Brazil is coffee.