What were two ways progressives tried to institute reforms?

The two ways that progressives tried to institute reforms were through a graduated income tax system and via different types of political reforms. Graduated income tax means that as the person makes more money, the percentage they pay towards income tax would become higher, making it a more fair financial system. Political reforms are ways to improve the laws that would improve the lives and happiness of the general public.

The US may have been reluctant to enter  WWII because it wasn't necessarily a problem for this nation it was for Germany.

Explanation: Among the causes of World War II were, to a greater extent, the political takeover in 1933 of Germany by Adolf Hitler and his Nazi Party and its aggressive foreign policy, and to a lesser extent, Italian Fascism in the 1920s, and Japanese militarism preceding an invasion of China in the 1930s.