What was not a result of the interaction between greek city-states and their colonies? a) frequent, open trade b) exchange of ideas c) spread of greek language d) political unification

- three-quarters or two-thirds..

- "the constitution provides that an amendment may be proposed either by the congress with a two-thirds majority vote in both the house of representatives and the senate or by a constitutional convention called for by two-thirds of the state legislatures."

< 3

c-three

explanation:

legislative, executive and judicial