Since World War II, most terrorist attacks on Americans have been carried out by groups from
a. the European Union.
b. the Middle East.
c. Russia.
d. Israel.

Since World War II, most terrorist attacks on Americans have been carried out by groups from B. the middle east.

Explanation:

The USA has been the prime target of many terrorist groups from the radical middle east which has been ridden by the Islamic militants that were funded during the  cold war by Russia and USA.

USA had a very deep and ingrained involvement in the affairs of the countries of the region.

This involvement made them a prime target of the groups which became powerful as a result of political unrest in the middle east fueled by the cold war in which the USA was a prime player.

6 or 2

explanation:

hope this you

but i think its 6

a agree i agree becuase it is very importnat for example it can tlel you about your past for exmaple   the first culture was the semerians which people are sitll tryignt o uncover there secrets the wall is just anohter treasure that has thousnads of secrets in it to be uncovered