1. • Desire for New Markets
Closing of the Western Frontier
Social Darwinism
• Missionary Spirit
.
Which heading best completes the partial outline above?
Principles of the Fourteen Points
O Adoption of Isolationist Ideals
O Causes of World War I
O Reasons for United States Imperialism

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 !