Answer:
I'm pretty sure the answer to this is A.
"Sumerian city-states fought each other" would be the best option from the list, since this internal division led to a collapse of power that left people without protection or a solid economy.
After metaphase is complete, the cell enters anaphase. During anaphase, the microtubules attached to the kinetochores contract, which pulls the sister chromatids apart and toward opposite poles of the cell (Figure 3c). At this point, each chromatid is considered a separate chromosome.
Answer:
D. George Mason
Explanation:
A call for American independence from Britain, the Virginia Declaration of Rights was drafted by George Mason in May 1776 and amended by Thomas Ludwell Lee and the Virginia Convention.