Which is a power of the legislative branch

Which of the following items would serve as a primary source for a historian studiying the american civil war

Drugs have a high potential for abuse. there is no routine therapeutic use for these drugs and they are not available for regular use. they may be obtained for “investigational use only” by applying to the u.s. drug enforcement agency. examples include heroin and lsd. which scheduled drug is this?

The physical feature that makes up part of the border between canada and the united states is the