Question

which of the following is an advantage to trenches in wwi? easy to make cheap to build easy to defend all the above

Explanation:

In WWI, trenches had several advantages. They were relatively easy to construct (easy to make), inexpensive in terms of materials and labor (cheap to build), and their design (with dug - in positions, barriers, etc.) made them easy to defend against enemy attacks. So all the listed options are advantages of trenches in WWI.

Answer:

D. All the above (assuming the options are labeled A. Easy to make, B. Cheap to build, C. Easy to defend, D. All the above)