The two main reasons why Douglass opposed john brown's plan to raid harpers ferry were that 1) He was sure the plan would fail and lead to many black deaths, and 2) He thought he would hurt the abolition movement by causing a backlash.
As Buddhism brought to China new thought and ideas, it promoted the development of Chinese philosophy, ethics, language, literature, arts, religions, popular belief etc.
The answer is D, the Quartering Act. When British troops were housed in colonial homes, they were being quartered.
The city is Berlin
The iron curtain was put up by the soviet union to prevent the people of east Germany from fleeing into the capitalist west. The iron curtain, came down in the year 1990's following Gorbachev reforms dubbed glasnost and perestroika.
Lincoln and Douglass were both born in February so when it came to celebrations about the emancipation black people would host it during their birthdays