What amendment gave 18-20 years olds the right to vote

Brainliesttt asap!me : ) answer in your own words. what was the relationship between medieval theories about scientific reasoning and the kind of reasoning favored during the scientific revolution?

How did the constitutional convention deal with slavery , one the most divisive issues of the period

Plz which of the following statements about the french revolution is not accurate. a. all of france supported the revolution. b. the french revolution began a series of wars between britain in france that lasted more than 20 years. c. the fighting in europe that grew out of the french revolution threatened to draw the united states into the wars. d. other european nations went to war in france to restore the monarchy.