I googled it and it said 50-100 billion
Answer: Manifest destiny
Explanation: This means that it is our god given right to move west.
President Harding? or Martin Luther King Jr?
Answer:
B
Explanation:
In the summer, the sun is up longer for the Northern Hemisphere which means there are less hours of darkness. A is only applicable when cold and so is C, and D is for winter as well.
Answer:
Manhattan Project National Historical Park