Answer:
The answer is letter B, sectionalism.
Explanation:
The Constitutional Convention in the United States occurred in the 70s. <u>Its original goal was to revise the Articles of Confederation</u>, but when the convention started, it changed its goal towards creating a new system of government. There were several issues and arguments that happened during the convention. One of which was whether they would consider "slaves" as part of the population when it comes to the election of the Senate. It also tackled on the export taxes (Export Taxation Clause). <u><em>This was considered a growing problem with sectionalism because it caused a </em></u><u>sectional debate.</u> The Constitutional Convention focused on particular or distinct sections that will be considered in creating the new system of the government.
Many primary civilizations started in river valleys because for the cities in each civilization an important portion of the population existed in cities. Large-scale farming was a requirement to feed the large populations. Fertile due to flooding the land by rivers was home to lush plant life and an outstanding place to plant and grow crops. The close source of water permitted for irrigation for the large-scale farming as well as drinking and bathing. Water also intended animals and animals meant food so this was another advantage to settling in river valleys. Settling and living in river valleys later main to further development of civilizations and new patterns of living such as trade and communication by means of the river for transportation.
It warned Roosevelt that Germany was developing an atomic bomb and encouraged him to start a nuclear program in the US that later became the Manhattan Project
