They brought diferentes religions and cultures with them.
Nobles often overthres most of the city-state monarchs with the help of coups. They would stage different events where the monarch would be protested against by the local populace. Another common and successful strategy was to create a military turnover.
This is describing the "containment" policy. This concept was developed by the US government to stop the spread of communism. Ultimately, the US followed this policy by aiding countries that were close to the Soviet Union.
A perfect example of this would be the Truman Doctrine. This law helped to give $400 million of financial aid to Greece and Turkey. These two countries were close to the Soviet Union and were possible targets where communism could spread.
1-C
2-F
3-A
4-B
5-E
6-D
These are the answers. There's a chance 3 and 4 are inverse.