What are search and destroy missions? a.
Air raids looking for specific targets in order to make ground war easier.
c.
A quick little attack followed by a lull in fighting
b.
Hunt the enemies in jungle and put constant pressure on them
d.
A long drawn out battle

i believe its A or "air raids looking for specific targets in order to make ground war easier"

Explanation:

the united states has a federal government. the president is the head of the federal government of the united states. however, each state forms its government for administration purposes. the powers of the state governments are exercised within restricted state boundaries. and citizens participate in this government by voting.