Answer: D, Eastern Europe
Explanation:
Because I got it correct
It was the "Transcontinental railroad" that great helped to further the Westward Expansion in the United States after 1865, since although it wasn't oficially completed until 1869, it began to reach further and further west beginning at this time.
Answer:
rapid and significant human changes.
Explanation:
The movements of people from rural to urban areas has accelerated, and the growth of cities in the developing world especially is linked to substandard living for many. Family disruption and social and domestic violence are increasing.
I am pretty sure that the atmosphere keeps the oxygen and light in it
