D.
The red scare was all about getting communists out of the government and that was because of the fears that McCarthyism created about Russian spies.
Answer:
The seven hills' denizens began to interact, which began to bond the groups. The city of Rome, thus, came into being as these separate settlements acted as a group, draining the marshy valleys between them and turning them into markets (fora in Latin).
Explanation:
Militarily they gained stronger weaponry and more mass weaponry to attack with, while economically they now had the ability to mass produce things like wool and textiles, but they both wanted and needed more to keep the industry going, and Africa had untapped potential for them.