The correct answer is C. Freedmen's Bureau
This federal government agency helped former slaves tremendously during the era of Reconstruction in the South. This program was highly effective in helping thousands of African-Americans in the South. However, this program was short lived and Congress abandon it in 1872, just a few years before the official end of the Reconstruction era in the South.
The Dutch East India Company was the first European that challenged the Portuguese domination of Asian trade. Different from Spanish and Portuguese traders, the Dutch expeditions were not controlled by the government, they had full sovereign powers. Because of that they had an enormous amount of power, they set up colonies and trading posts around the world, they captured Malacca from the Portuguese rule and opened trade with China.