Why did the united states begin the manhattan project apex?

To develop an atomic bomb before the Germans. - Apex

they wanted the u.s. to fight on the side of the central powers.

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.