What is your favorite historical moment? That should be the topic. Then, ask a question about it.
<span>The answer is letter b.
During this period the U.S. set up a blockade to prevent Russian ships
from passing to Cuba. The U.S. was
alarmed after photos from a spy plane showed Russian missiles on Cuban
soil. This heightened American fears
that Russia would invade through Cuba and use the missile already set up
there. At this point in time, the world
was on the verge of nuclear war. Both
side weighed their options. After a tense period, secret negotiations brought
an end to the conflict. The Russians
withdrew their missiles from Cuba and the U.S. withdrew their missiles from
Turkey.</span>
Persia was no longer the great power it once had been
Grandfather clauses were designed to prevent poor and illiterate African Americans from voting.
This term was coined in the 19th century when new rules for literacy tests, poll taxes and requirements for voting were established.
Some white people who did not fulfill the requirements were still allowed to vote because their ancestors ( grandfathers ) had the right to vote. This was a way to make voting possible for white Americans, and to make voting almost impossible for black people.
Today, this term applies to a provision in which an old rule continues to apply to some existing situation while a new rule will apply to future cases.