Hy were the precedents set by chief justice john marshall and the supreme court so important?

John Marshall (1755-1835) was the fourth Chief Justice of the United States from 1801 to his death. He contributed intensively to the development of the legal system of the US.

He was behind some of the most famous court proceedings in the history of the US, such as Marbury v. Madison (1803). The resulting court ruling stated that no law can oppose the federal Consitution, and that any law doing so would be declared null. Moreover, it appoints that all powers including the judiciary are submitted to the Constitution.

Later on, he made some other decisions which have become main pillars of the jurisprudence related to federalism. For example, he consolidated the independence of the courts from other powers and ruled the relationships between the states and the federal government during the early years of the US as a state, by constantly supporting the supremacy of the federal laws.

the second significant cause of the great migration was the desire of black southerners to escape segregation, known euphemistically as jim crow. rural african american southerners believed that segregation - and racism and prejudice against blacks - was significantly less intense in the north.

world war i began in 1914, after the assassination of archduke franz ferdinand, and lasted until 1918. during the conflict, germany, austria-hungary, bulgaria and the ottoman empire (the central powers) fought against great britain, france, russia, italy, romania, japan and the united states (the allied powers). to new military technologies and the horrors of trench warfare, world war i saw unprecedented levels of carnage and destruction. by the time the war was over and the allied powers claimed victory, more than 16 million people—soldiers and civilians alike—were dead.

explanation: