What was the impact of the use of machine guns and barbed wire during world war i?

soldiers lived in trenches when they could not advance without heavy casualties.

field commanders believed it was important to attack first.

casualties were low because soldiers were protected.

soldiers were able to advance rapidly on one another.

Machine guns were the ultimate defensive weapon similar to WW1 and they didn't have machine guns but they did have barbed wire and rifles. Just look at the numbers of casualties on both sides during attacks. ... with small unit infantry tactics, tanks, aircraft, and better use of artillery to support the infantry.

Explanation:

the civil war was a fulfillment and completion of the constitution, not a revolution against it. changes in culture and society surely affected political life. lincoln hoped to bring the north and south together after the war by healing the nationand making people lose their resentment.

hope this you out just took thus test a min go and mad a 100

no because we were not ready for war