Answer: A
Explanation:
In the electoral college, states have delegates that elect the president. The number of each state's delegate count is decided based off the number of members the state has in the U.S. Congress. California and Texas will have more delegates than Vermont and Wyoming, since they have more members in Congress.
Lack of an increasingly broad spectrum expertise and resources.
We know this thanks to archaeologists who excavated many places and discovered that many early civilizations gathered around large rivers where they could develop agriculture. This was seen in places such as Mesopotamia, India, China, Egypt, etc.
The answer is typically A. But really, any of these can be chosen, as many modern couples seem to want to delay everything until they've settled into their careers. But children is definitely the biggest one.