What was the main goal of most of these weapons

The main goal of most of these weapons was to kill 'em all. 2. It was important to kill more people because killing more people means that you will have less people to kill. Less people to kill means that you can kill them faster.

Explanation: The idea of also being hunkered down in a trench, waiting for the enemy to cross could only have been accomplished with a machine gun. I would have to give credit for this to the machine gun. That is the main weapon that made trench warfare necessary in World War I.

it makes companies more competitive it mainly alot

giving the us more money to give to the states it allows them to sell oversee and to other countries and more

because the vietnam war was fought in an especially brutal and untraditional way