Please help no links i keep getting them What caused the Soviet Union to get involved in countries as diverse as Egypt, the Congo and Vietnam?

A they wanted to get rid of dictator ships around the word

B the goal of spreading communism throughout the world

C their alliance with China brought them to these countries

D a desire to increase trade with these nations

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What is the area of the trapezoid shown ?

What was the main point of helen hunt jackson's book, century of dishonor? a.it showed how unfairly american settlers were treated by the us government. b.it proved that american government was not responsive to the will of the people. c.it made the point that free land was no longer available to new settlers out west. d.it outlined the poor treatment of the native americans by the government.

The five extra days added to the egyptian calendar were for?