What could the us government have done to improve the economy in european nations before the great depression?

increase protectionism
decrease protectionism
export to european nations
buy european stocks

The correct answer is "decrease protectionism".  Protectionism is related to limit the free trade among Nations and impose quotes to restrict the spending in foreign goods. The use of protectionism has been one of the most common reasons attributable to the development of the Great Depression, therefore if US government had decrease protectionism it would improve the economy in Europe nations before the Great Depression.

the industrial revolution pushed the world into modern industrialization. it changed the course of history profoundly. it caused rapid urbanization and pushed cities and countries into development. the industrial revolution began in great britain with a series with new inventions which led to the creation of machines and mass production.

this caused the country to gain wealth and money and become an international superpower. it improved transportation and manufacturing inside the country, pushed people to live in urban areas and britain to become the most powerful nation in the world for a while.