How did democrats hold power for so long in the 30s,40s, and 50s

Democrats held power for so long during the 30s, 40s, and 50s because the country entered the Great Depression. Democrats dominated this time period because its liberal policies and programs with FDR's "New Deal" were seen as the best way to combat the emergency bank closings.

Which of the following is not one of the major principles of ecology?\

answer: /hbv

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answer: secession

secession, as it applies to the outbreak of the american civil war, comprises the series of events that began on december 20, 1860, and extended through june 8 of the next year when eleven states in the lower and upper south severed their ties with the union. the first seven seceding states of the lower south set up a provisional government at montgomery, alabama. after hostilities began at fort sumter in charleston harbor on april 12, 1861, the border states of virginia, arkansas, tennessee, and north carolina joined the new government, which then moved its capital to richmond, virginia. the union was thus divided approximately on geographic lines. twenty-one northern and border states retained the style and title of the united states, while the eleven slave states adopted the nomenclature of the confederate states of america.

explanation: