Which weapons resulted in troops resorting to trench warfare?

Machine guns and gernades. With the raid advancments in technology during war these weapons could rapidly fire causing the troops to find other needs of coverage resulting in trench warfare.

mashine guns

Explanation:

a is correct

hope this let me know if it is right

it was not until 1606 that the virginia company of london got a contract from. on may 13, 1607, these first pilgrims chose the site of jamestown island as the. to make shares more attractive, the virginia company changed its attempt to sell something. the way of life would increment the country over.