What were the intended goals of the granger laws passed during the late 19th century?
a) to encourage factory owners to hire immigrants
b) to prohibit children from working in mines
c) to increase federal funding for industrial growth
d) to protect the interest of farmers against railroads

The Granger Laws were promoted primarily by a group of farmers known as The National Granger of the Order of Patrons of Husbandry. The main goal of the Granger was to regulate rising fare prices of railroad and grain elevator companies after the American Civil War.

Explanation:

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.