What was the main use for airplanes in world war i? airplanes enabled soldiers to observe troop movements and locations. airplanes allowed for the quick movement of resources. airplanes eliminated the need for soldiers in the trenches. airplanes decreased the significance of naval warfare?

The correct answer is A: airplanes enabled soldiers to observe troop movements and locations.

The main use for airplanes in World War I was the artillery spotting and reconnaissance: exploring and gaining information about all activities in the area, before actually attacking.

The aircraft has had an enormous impact and meant a huge help for the soldiers being an important and strategical tool that cooperated with ground forces.

freedom of speech is also protected by the 1 amendment.

explanation:

here is pretty much what the 1st amendment says:

congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the press; or the right of the people peaceably to assemble, and to petition the government for a redress of grievances.