African americans in the south demonstrated their newly achieved freedom by

African Americans demonstrated their newly found freedom by relocating often in search of relatives whom they had been separated from during slavery. Others established schools to educate freed people and they built institutions such as churches and political organizations to advocate for their rights.

bismarck believed in using force

is the correct answer!

2018 means 2018 ce or common era

there have been other eras too including bce, which included way more years.