Opec began an oil embargo of the united states
Tycho brahes collecting data that enabled Kepler to discover the laws of planetary motion.
One of the changes that prompted the decline of the Soviet Union was that food shortages were common and were also excesses in military spending. The food scarcity problem has become one of the major economic problems that took place in the Soviet Union wherein the country had to rely much on imports.
6)A) military intervention
7) Roosevelt stated that in keeping with the Monroe Doctrine, the United States was justified in exercising "international police power" to put an end to chronic unrest or wrongdoing in the Western Hemisphere
As tensions rose between the Republican and Democratic parties, many believed a second Civil War was coming if Reconstruction did not end.
