Help please will mark brainliest.

True

Explanation:

The pace accelerated with the outbreak of World War I and continued through the 1920s.

True

Explanation:

The Great Migration was the movement of some six million African Americans from rural areas of the Southern states of the United States to urban areas in the Northern states between 1916 and 1970. It occurred in two waves, basically before and after the Great Depression.

operation overlord was the codename for the battle of normandy, the allied operation that launched the successful invasion of german-occupied western europe during world war ii. the operation was launched on 6 june 1944 with the normandy landings