11. What milestone did the USSR reach first in the “space race”? What milestone did the US reach first in the “space race”?

The USSR was the first to put a man in space, the United States was the first to put a man on the moon

Explanation:

just need the points

explanation:

2. a land bridge connected asia and north america thousands of years ago.

4. crossing the land bridge would have been simple for the first migrants.

5. people might have crossed a land bridge while hunting animals.