What were some political changes after World war 1?​

Explanation:

New countries were created out of old empires. Austria-Hungary was carved up into a number of independent states. Russia and Germany gave land to Poland. Countries in the Middle East were put under the control of Great Britain and France.

or maybe

World War I also had the effect of bringing political transformation to most of the principal parties involved in the conflict, transforming them into electoral democracies by bringing near-universal suffrage for the first time in history, as in Germany (1919 German federal election), Great Britain (1918 United Kingdom)

the answer should be monarchy

a. theta waves. this is because the person is in a light sleep which means the brain waves would show these kind of waves.