Taxation without representation I think. Sorry about my vagueness. <span />
People had to learn how to make irrigation ditches for their crops to get enough water.
Answer:
the principle that the US should give support to countries or peoples threatened by Soviet forces or Communist insurrection. First expressed in 1947 by US President Truman in a speech to Congress seeking aid for Greece and Turkey, the doctrine was seen by the Communists as an open declaration of the Cold War.
B. The chemical nature of the substance does not change
Answer:
The purpose of the 13th, 14th and 15th amendments to the United States Constitution was to establish political equality for all Americans.
Explanation:
Hopefully this helps you out.