According to the text, what was a major limitation of the Stone Age people that prevented them from settling far away from hilly areas? 1. They had to depend entirely on tools and weapons made of stone, which required proximity to hilly sources of raw material. 2. They had to live in hilly river valleys because they could not clear heavy forest cover in alluvial plains without metal tools. Which of the statements given above is/are correct?

Options:

• A: 1 only
• B: 2 only
• C: Both 1 and 2
• D: Neither 1 nor 2

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