What started the modern Agricultural Revolution? new types of crops improved farming methods greater demand for food more fertile soil

Improved farming methods.

Explanation:

The modern Agricultural Revolution began in the 18th century after the Industrial revolution when new tools and farming methods introduced. New tools helped farmers to improve their farm productivity. The Agricultural Revolution introduced crop rotation which helped to restore nutrients to the soil do crops could grow better. It increased the amount of food produced.

austria

hugary

yugoslavia

czechoslovakia

i also think he is correct. i believe they came to washington to protest their rights.