I know the first blank is C. Im not sure about blank 2.
<span>Complex drainage systems to keep structures from flooding this works</span>
Answer:
. Bill Robinson George Cohan Robert Frost. Bill Robinson was the premier black entertainer during the first part of the twentieth century
Answer:
The muckrakers were reform-minded journalists in the Progressive Era in the United States (1890s–1920s) who exposed established institutions and leaders as corrupt. They typically had large audiences in popular magazines.
Explanation:
