The Americans gained complete independence from Britain from the Treaty of Paris. The correct option among all the options that are given in the question is the last option or the fourth option. This treaty was signed in the year 1783. This treaty also ended the revolutionary war in America. I hope it helps you.
I’m pretty sure it’s unskilled immigrants :))
This is actually easy, you should’ve started by doing some research. Humans have adapted to variety of climates by building things.. like houses. They even made clothing like jackets for colder climates. Just look up examples of how we’ve adapted to the climates and you’ll be good.
You didn’t give us the facts, we don’t have anything to work with here.