Germany declared war on Russia because they wanted to also declare war on the French. In an audacious move called the Schlieffen Plan Germany had to attack Russia to delay the progress of their steam rail expansion then while the Russians are distracted attack France. Germany knew for certain if they allowed Russia to complete their rail connections the Russian with their superior numbers would overrun them.
In 1937, President Roosevelt made a speech suggesting that United States government should be more assertive toward aggressor nations. His suggestion was greeted with massive protest from isolationists who charged Roosevelt with betraying "Americanism"
"<span>C. The Roman Republic was strengthened by the newly-empowered plebeians" would be the best description from the list, but this was not a universal truth. </span>