If you want to shorten it it would be best to do WWII, how ever if it is a formal essay you should just spell it out.
<span>A ice land bridge called beringia formed and they walked on foot across or in boats along it's coast. They migrated because of he extremely cold conditions and scarce amounts of foods.
I hope this helps.
</span>
Answer:
True, the congress was majority republican thus anti-slavery.
