In general, americans with high incomes vote at

The correct answer is C) a higher rate than those earning less money.

In general, Americans with high-income vote at a higher rate than those earning less money.

Regarding data of the United States Census Bureau, in the Presidential election of 2018, 80% of adults from families that earned $100,000 a year, participated in the election, voted. On the other hand, only 52% of adults that earned $20,000 or less, voted. Among the factors that affect participation in elections are high level of education, a higher income, and white-collar workers.  

The other options of the question were, a) the same rate as any other income group, b) lower rate than any other income group, and d) a lower rate than those earning less money.

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.

porter is writing economic history because he is focusing on the cost of developing vaccines.