What is ravenstein's laws of migration?

What was one of the difficulties adams faced as president? a. european countries were trying to move back in on u. s. lands b. possible war with england; fighting between political parties c. problems with spain; trade disputes with russia d. census issues; problems with selecting a new capital

In what year did vladimir lenin and the bolsheviks seize power in russia? 1885 1900 1917 1961

Why did noli me tangere have such a big impression on the narrator?