If history happens a couple of million/billion years ago, then why is the year only 2021?

well, AD and BC. The terms Anno Domini and Before Christ are used to label or number years in the Gregorian calendar. we are in AD.

answer; ///marshall plan dollars stimulated the japanese

though africans landed with few possessions, they carried their cultures, skills, and spiritual worldviews into the americas. wherever african religions took root in the new world, africans and their descendants changed and adapted their belief systems to local circumstances and influences. individual circumstances created variations in the way people practiced their faiths, what they believed, and what significance it held for their lives.

explanation:

mark brainliest!