While the roman empire flourished in europe which empire existed in the east ?
a han dynasty
b mohenjo-daro
c shang dynasty
d warring states

couples could only have one child to reduce the population growth.

what class is this for i can then

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.