MARKING BRAINLEST HELP The process of amending the Constitution is an example of federalism because it requires:
approval of two-thirds of the Congress
approval of both the President and Congress
approval of both state and local governments
approval of two-thirds of Congress and three-fourths of the states

The process of amending the constitution is an example of federalism because it requires: approval of two-thirds (2/3rds) of Congress and three-fourths (3/4ths) of the states. ... "Every Bill which shall have passed (Congress) shall, before it becomes a law, be presented to the President of the United States."

when the united states took over

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.