3 - Qual é a origem (país) da maioria dos imigrantes que tentam entrar ilegalmente nos EUA pela fronteira ao sul do seu território?

The answer to the question is gold

It is the doctrine that the us had the right and duty to expand throughout north america. it just means they believed they had the right to expand westward and they did! they stated with the 13 colonies and then they kept moving gaining different territories throughout the years

The problem of malnutrition in bangladesh is caused in part by "over population."hope my answer has you : )