Mastoidectomy is a surgical procedure to remove an infected portion of the bone behind the ear when medical treatment is not effective. This surgery is rarely needed today because of the widespread use of antibiotics.astoidectomy is a surgical procedure to remove an infected portion of the bone behind the ear when medical treatment is not effective. This surgery is rarely needed today because of the widespread use of antibiotics.
The Germans had little choice â few other places besides the United States allowed German immigration. Unlike the Irish, many Germans had enough money to journey to the Midwest in search of farmland and work. The largest settlements of Germans were in New York City, Baltimore, Cincinnati, St. Louis and Milwaukee.n the decade from 1845 to 1855, more than a million Germans fled to the United States to escape economic hardship. They also sought to escape the political unrest caused by riots, rebellion and eventually a revolution in 1848.
1 [T]his plan would further eliminate the specific and understandable complaints which the Germans bore towards the Jews in Germany, namely, that while they represented a small part of the population, over 50 percent of the lawyers, doctors, schoolteachers, college professors, etc., in Germany were Jews. Ask students to interview a recent immigrant to the United States to learn about the immigrants reasons for coming to the United States and the process of immigration. 2  Have students research the U.S. immigration policy for citizens of their subject's native country prior to their interviews.