D. The reason for the fall of the Maya civilization is still unknown. There are many different theories attempting to explain the cause of the Classic Maya collapse and the abandonment of Maya cities in the southern Maya lowlands of Mesoamerica between the 8th and 9th centuries: climate change, drought, deforestation, etc. but although the drought is the leading theory at the moment the truth is yet unknown.
Answer:
B. The U.S government increased it's investment in researching alternate fuel resources.
Explanation:
I majored on History
>true< hope this helps have a fantastic day :D
Answer:
For the first question, if I remember correctly, it was A, and for the 2nd, D.
Explanation:
From what I remember, Congress used literacy tests to limit the # of immigrants that came to the US, since they likely wouldn't be able to understand American language. And immigrants often suffer from poverty or persecution in their homes, which is why they immigrate.
Answer:
there was less discrimination there.
Explanation: