Eventho it changed it kind of still is similar at the same time
The best answer is A. Keynesian economics refers to the practice of pumping money into a country's economy. In Keynesian economics that money is usually acquired from taxpayers, loans, bonds, and additional currency printing. The theory is that spending money on things like infrastructure projects (building roads, power plants, dams, etc.) creates jobs, which helps get money circulating in the economy again, which eventually pulls a country out of economic stagnation.
A: He painted crosses on the soldier's shield and they were successful in battle
He had a vision of the Chi-Rho and he painted it on all of the solider's shields and they were successful
The leader of the underground railroad was Harriet Tubman