He may have proved that ancient people could have come to North America from Russia
Africa
Egypt
Canada

Russia.

Explanation:

All the other answers make no sense.

About 10-50 thousand years ago, there was a landbridge that connected Russia(Asia) and North America(Alaska, Canada, etc).

Many decided to travel across this land bridge in search on new lands and resources. They also wanted to escape barbarians and harsh rulers/landlords.  

Around 10,000 BCE, the bridge started to rock and collapse, and that was the end, at least until the 1700s and 1800s AD.

hi there!

c is your answer

~courtney

answer by yourhope:

the speaker of which statement would be best served by joining an interest group?

i want politicians to make more of an effort for lgbt rights!

: )