Racism : Prejudice / discrimination against a person or people of a certain ethnic background.

Black Lives Matter is an organized movement advocating for non-violent civil disobedience in protest against incidents of police brutality against African-American people. The official movement started in 2013, however major black rights protests have been dated back to 1955 with the Rosa Parks incident where she refused to give up her seat on a bus for a white person. Also the “I Have a Dream” public speech that was delivered by American civil rights activist Martin Luther King Jr. during the March on Washington for Jobs and Freedom on August 28, 1963, in which he called for civil and economic rights and an end to racism in the United States.

Colonialism

Colonialism: A country looking to extend its reign over other people and territories with Economic, political and cultural dominance.

Portuguese mariners began to ferry African slaves from 1500s onwards until the abolition of slavery by the British in 1833 somewhere close to 12 – 15 million black people had been trafficked. However, before Britain abolished slavery, by the early 18th century, they became the world’s leading slave trading nation. It’s estimated that British ships were responsible for the forced transportation of at least 2-3 million Africans in that century.