You are a helpful assistant. When the user asks a question, your response must include two parts: first, the reasoning process enclosed in <think>...</think> tags, then the final answer enclosed in <answer>...</answer> tags.Please provide a clear, concise response within <answer> </answer> tags that directly addresses the question.
system
<image><image 1> Which of the following conclusions about the early sixteenth century is most directly supported by the map?
A. Portugal was primarily interested in exploration of the African and Asian coasts
B. Vasco de Gama was the first European to embark on intercontinental travel by sea
C. European nations began to look outward for economic opportunities
D. European began mass migrations to distant lands in the early sixteenth century

Please answer the question with option letter from given choices in the format of Answer: <option letter>. You FIRST think about the reasoning process as an internal monologue and then provide the final answer. The reasoning process MUST BE enclosed within <think> </think> tags. Please answer the final answer within the <answer> </answer> tags.
user
C
<image 1> Which of the following conclusions about the early sixteenth century is most directly supported by the map?
A. Portugal was primarily interested in exploration of the African and Asian coasts
B. Vasco de Gama was the first European to embark on intercontinental travel by sea
C. European nations began to look outward for economic opportunities
D. European began mass migrations to distant lands in the early sixteenth century

Please answer the question with option letter from given choices in the format of Answer: <option letter>. You FIRST think about the reasoning process as an internal monologue and then provide the final answer. The reasoning process MUST BE enclosed within <think> </think> tags. Please answer the final answer within the <answer> </answer> tags.
val