By participating in NATO the United States advanced their policy of the containment of communism in Europe
tates were also given a chance to propose changes, or amendments. Three-fourths of the states have to approve the amendment for it to become law. In the past 200 years, the Constitution has been amended 27 times. The 13th Amendment, in 1865, forever banned the practice of slavery.
False
In the 1600s Portugal posed a threat to Spains control of the borderlands
