What is cell theory? Group of answer choices

A. A widely accepted explanation of the relationship between cells and living things

B. The structure of a living thing.

C. The theory that all organisms are made up of more than one cell.

D. The theory that all organisms are made up of one cell

Contributing factors  leading  to the harlem renaissance were the great migration of african americans to northern cities, which concentratedambitious  people in places where they could encourage each  other, and the first world war, which had created new industrial work opportunities for tens of thousands of people.