How did John Marshal give the federal government, particularly the Supreme Court more power?

he notably reinforced the principle that federal courts were obligated to exercise judicial review and overturn laws that violated the Constitution.

Explanation:

answer; /// the correct answer is evidence of the olmec civilization has been found in southern american in a hot steamy forest, archaeologists have found earthen artifacts at several sites that were evidence of the olmec civilization. these   artifacts were mounds,courtyards and pyramids build of stones, also on top of the mounds were many monuments made of stone, some of these stone structures are very large, they weigh as much as 44

answer-the island had airfields that the u.s. military needed.