Westward expansion meant that the US acquired ever increasing amounts of land, and needed people, farmers, to settle there so it could maintained without a huge military presence
<span>It is the Sun lighting different parts of the Moon at different times and varying amounts of the Moon's lit surface being visible from Earth.</span>
Answer:
because it permits certain movement of molecules in and out of the cell
The ecliptic is the plane of Earth's orbit around the Sun.
I think it’s C, hope it helps !!!!!
