The use of bartering to trade goods, instead of money
Fredrick Douglas was the African American who said the Mexican War was "disgraceful" because he thought if America would annex Mexico then slavery would be carried over into the new territory.
The doctrine was the centerpiece of United States foreign policy<span> from the early 1980s until the </span>end<span> of the </span>Cold War<span> in 1991. Under the </span>Reagan Doctrine.<span>The foreign </span>policy<span> of the Ronald Reagan administration was the foreign </span>policy<span> of the United ... As part of the </span>policies<span> that became known as the "</span>Reagan Doctrine<span>", the ... </span>Reagan's<span> position was that if the</span>Soviets did<span> not remove the SS-20 missiles ... Reagan </span>believed<span> this defense shield could make nuclear</span>war<span> impossible.</span>
Hi.
your answer is b.
hope this helps!!!