How did free blacks pay for their return to africa?

The Back-to-Africa movement took the view in the 19th century that Americans of African ancestry should return to the continent of Africa. In general, the movement was an overwhelming failure; very few free slaves wanted to move to Africa. The small number of freed slaves that had—some under duress—initially faced brutal conditions. As the failure became known in the United States in the 1820s, it spawned and energized the abolitionist movement. Liberia and Sierra Leone became independent black countries following Haiti on January 1, 1804, becoming the second and third of only three countries founded by former slaves. United States Ambassador to Liberia was a coveted position. In the 20th century, Marcus Garvey, Rastafarians and some other African Americans espoused this concept, but few actually left the United States.

What is the

Hi! after fertilization occurs, the zygote goes through mitosis and then differentiation (aka specialization of cells) to have a variety of cells that perform different functions. this allows for the creation of tissues and so on, all of which were once stem cells with no specific function.i hope i !