The age of Johnson refers to a period of time when all major/famous poetry publication was dominated by a poem named Dr. Samuel Johnson.
Before the age of Johnson , the theme of popular Poetry was mostly classical (which revolves around honoring tradition / culture in a certain society). Samuel Johnson was an important figure who introduced Romantic Themes in poetry (which revolves around humans and their emotion) . As a result, other poetry with this theme started to emerge and became popular between 1744-1784.
Deserts and rainforests acted as barriers to migration and trade. Numerous waterfalls and rapids that hindered migration and trade between the coast and the interior.
One major way president franklin D. Roosevelt's new deal tried to combat the effects of the great depression was by setting up public programs such as the Works Progress Administration, which put people to work.
The Kansas-Nebraska Act allowed each territory to decide the issue of slavery on the basis of popular sovereignty. Kansas with slavery would violate the Missouri Compromise, which had kept the Union from falling apart for the last thirty-four years. The long-standing compromise would have to be repealed.