The great come promise established that:

Their so-called Great Compromise (or Connecticut Compromise in honor of its architects, Connecticut delegates Roger Sherman and Oliver Ellsworth) provided a dual system of congressional representation. In the House of Representatives each state would be assigned a number of seats in proportion to its population

to protect the united states' role as a world leader, president truman wanted to prevent the soviet union from spreading communism beyond its post-world war ii boundaries. he declared that the united states must assist any nations struggling to prevent a communist takeover.

answer: you could try asking a family member maybe?