Part A Why does the author begin the article with a description of Marie’s activities during World War I? please help i will mark brainlist

he does this for a reason. the reason is im not 100% sure. but ill tell you one thing. he has his reasons.

a historian researching the immigration policies of the early 1900s would expect a source written today,rather than in 1910 to :

( a ) be more interested in objective data and statistics.

for the united states of america, 1945 to 1964 was a time of high economic growth and general prosperity. it was also a time of confrontation as the capitalist united states and its allies politically opposed the soviet union and other communist countries; the cold war had begun.

explanation: