Were operations that protected american merchant ships in the atlantic before the united states entered wwii.

the award is named for an american naval historian and theorist, rear admiral alfred thayer mahan, united states navy who, through his writing, provided stimulus and guidance to those who share in the defense of the nation.

ok i will try

explanation:

if i am correct the answer is going to be a) the federal program of reconstruction ended.

on april 6, 1917, the u.s. joined its allies--britain, france, and russia--to fight in world war i. under the command of major general john j. pershing, more than 2 million u.s. soldiers fought on battlefields in france.