The u. s. federal and state governments are similar because both levels of government have the power to declare war on a nation collect taxes from citizens trade with foreign countries print currency and control banks

The U.S. Federal and State Governments are similar because both levels of government have the power to collect taxes from citizens. States do not have the power to declare war on other nations, nor print currency or control banks. Businesses within certain states can trade with foreign countries, but states do not control trade policy for these businesses. 

The median is 4 because 2 x’s out 9, 3 x’s out 7, 3 x’s out 5, and 4 is the only remaining number.

Japan's government is dictatorship.