15th amendment- no voter discrimination of race
19th- women can vote
23rd- gives Washington D.C. the right to vote
then the 26th amendment lowered the voting age to 18.
This was because many things change over time and the U.S. thought of more things to be added to the Constitution
To fend off communists and is an example of the Containment policy.
If its Christopher Columbus, then it was to have relaxed beliefs of religion since Europe's king was punishing people who would not attend church