When did feudilism begin?

a) before the viking, magyar, and muslim invasions.
b) during the period of viking, magyar, and muslim invasions.
c) shortly after the period of viking, magyar, and muslim invasions.
d) long after the period of viking, magyar, and muslim invasions.

Feudalism began during the period of Viking, Magyar, and Muslim invasions.

interest groups send representatives to state capitals and to washington, d.c. to put pressure on members of congress and other policymakers. they engage in lobbying, or the organized process of influencing legislation or policy. lobbying can take many forms. interest groups can testify in congressional hearings.

during the hitler era and it caused them to declare war on germany