What was Congress' Ironclad Oath?
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In 1862, Congress mandated that civil servants and military personnel take an Ironclad Test Oath that they had never voluntarily aided the Confederacy. As Reconstruction evolved, the Ironclad Oath emerged as the strictest of several possible standards for the readmission of Southerners into the political life of the Union. So basicly the oath was to stay loyal to the union, and never the confederates.

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answer; ///i believe that the correct answer is (c)vetoing executive check first good luck

1) the taiping rebellion was prompted from 1850-1864 and waged against the ruling of machu qing dynasty. the rebellion was caused by hong xiuquan and class differences, later leading to a radical change in social and economic structure.

3) karl marx, a believer of the principle of socialism, believed that the working class would have to free themselves from the exploitation of industrialists by establishing a radical socialist classless society where all industries and   property are owned by the state.

5) as indians revolt gained power, people found additional reasons to protest against the british rule. princely families joined the uprising due to changes to the inheritance law which made adopted children ineligible to assume the throne. this was an attempt by the british to control royal succession in the princely states that were nominally independent from the british.