Egg and a single layer of cells with a basement membrane

Promotes endometrial differentiation to include cytotrophoblasts and syncytiotrophoblasts

Factor(s) associated with decidual phase of the uterus

Imprinting

Main source(s) of female sex steroids

22.The eighteenth century’s first slave uprising occurred in _________________________________ in 1712.

12. England’s long struggle to conquer and pacify __________________, which lasted well into the seventeenth century, absorbed money and energy that might have been directed toward the New World.

19. The first Africans, twenty in all, arrived in ____________________ in 1619.

24. In 1753,_______________, then only 21 years old, had been dispatched by the colony’s governor on an unsuccessful mission to persuade French soldiers to abandon a fort they were using on lands claimed by the Ohio Company.

14. ______________ , English settlers believed, was the basis of liberty.