D: They sought a more hospitable climate :-)
First, because interest groups have stronger and more realistic opinions about public policies (advantageous or not). Second, they are reference of economic, political and religious positions that also involve or interfere in numerous public policies. And third, interest groups are able to pressure congressmen (legislators) on some issues considered as urgent by them.
<em>All interest groups share a desire to affect government policy to benefit themselves or their causes.</em>
In 1799, Napoleon joined a plot to overthrow the Directors and to set up a new and stronger government. Napoleon took control of the government in a coup d'etat or military takeover. He now had the power to make laws, appoint government ministers and declare war.