They also have very thick skin on the soles of their feet, with many more blood vessels than lowland people, so their feet don't freeze.
Negative because it prevented immigration from Asia and set quota on immigration coming in due to myths that immigrants would take away jobs from Americans already here. But some immigrants coming in were highly educated therefore if the quota was met they could not come in till next year
Answer:
nuclear weapons
Explanation:
The Manhattan Project was a research and development during WW11. It was led by the US with the help of Canada and the UK
There is no answer because they never traveled to the moon
Wealthy families were able to provide good education and were able to pay for tutors.