Why was trench warfare so ineffective

It simply means that an army digs holes in the ground and builds bunkers to shelter themselves from the enemy. ... Early in the war, soldiers would leave the trenches to storm the enemy's trenches. This tactic was ultimately unsuccessful; it was too easy for troops fortified in a trench to kill attackers.

Explanation:

I hope this helps :)

they spoke with the president

explanation:

the right answer is the end of world war ii

after the end of a global wwii all the nations involved, in an attempt to create an organization to maintain world peace. this agreement would work settling international disputes via negotiation and arbitration instead of leading the issues escalate to another war.