What did the feudal system protect medieval European society from?

What were two of the problems of rapid urbanization? Why does Patrick Henry repeat Mr President in his speech? What date did Archduke Franz Ferdinand Get assassinated? What line did the missiouri compromise prohibited the spread of slavery? How do popular votes become electorical votes? What roman advancements are still used today? Which of the following leaders implemented a set of policies aimed at improving the U.S. economy during the Great Depression by launching public works projects and creating new social welfare programs? What are the Cardinal utility theory weaknesses and limitations in explaining consumer behaviour What are they? During the Peloponnesian War the Athenians massacred the men of? Who won back territory in old western Roman Empire for Byzantium? What was the colonial period like for Egypt? Is the apple company by zionists? What is Usher's marital status? Why is the prime minister so important? What was genereal Tecumseh sherman's march through georgia an example of? What is Tim O'Brien most known for? What did the Mayan men do for jobs? What state has the least amount of land? Who was the last president born berfore the american revolution? Why are people with the name Alayna so important?