Final answer:
The Two Republican Eras (1860-1928) were periods of Republican dominance in American politics, with distinct focuses on issues like ending slavery and economic development in the first era, and prioritizing business and limited government intervention in the second era.
Step-by-step explanation:
The Two Republican Eras refer to two distinct periods of Republican dominance in American politics, spanning from 1860 to 1928. The first era began with Abraham Lincoln's election in 1860 and lasted until the early 1880s. During this time, the Republican Party focused on issues such as ending slavery, Reconstruction after the Civil War, and economic development.
The second era started around 1896 and ended in 1928, characterized by Republican presidents and policies that prioritized business interests and limited government intervention.