Answer:
C. Nixon met with many world leaders to improve relations.
D. Nixon tried to relax Cold War tensions with the Soviet Union.
Explanation:
The neolithic era began when some groups of humans gave up their pneumatic hunter gatherer lifestyle completely to the beginning farming. It may have taken humans hundreds or even thousands of years to transition fully from the lifestyle of subsisting on wild plants to keeping small gardens and later trending large crab feilds.
I think they are still used and relevant today because people know that they are very significant. people take that they were written long ago into consideration and that makes it more valuable
