I think C is the answer but I could be wrong
It's the Pleages. The reason this is caused was the fleas on rats infected into humans water.
Answer:
The author describes the importance of immigration reform to boost immigration of scientists and engineers from other countries to the United States. The author mentions that the United States grants too few work visas to foreign scientists. We can foster innovation by giving more foreign scientists and engineers extended work visas. This policy would mean the United States could bring the best scientists to work on US projects right now. However, one downside is that this policy doesn’t address the lack of American students studying to be scientists and engineers.
Explanation:
Sample Answer
He did not agree to abolish slavery but did so on accident he did not agree to cause he did not want to separate states like north and south/union confederate<span />
James buchanan, Jr. April 23, 1791- June, 1868 was the 15th president of the united states ( 1857-61) serving immediately prior to the American Civil war. he represented Pennsylvania in the United States house of Representatives and later the Senate, then serve as minister to Russia under president Andrew jackson
