What physical feature best supported the development of early societies?

While lakes and ponds may sound like the perfect water source, they could quickly become polluted, as water sources often doubled as toilets. As such, some form of water that moved was preferable. For this reason, many of the greatest early civilizations, such as the Egyptians and the Sumerians, developed near rivers.

Explanation:

the answer is hope this you.

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.