Fifty years before Marathon Athens asked Persia for help against Sparta, what did Persia ask for in return?

1.who controls fascism government? 2.who controls communism gov? 3. how do they stay in power

What was a result of the use of farming machines

Search america's open door policy with china beginning in 1899. explain how relations with the united states and china have changed and the effects of the open door policy on both countries.