What was it like 'living' in Trenches during World War One (WW1) What were conditions like, how did it effect soldiers physically/mentally?

The trenches were awful.

Explanation:

Trenches were long, narrow ditches dug into the ground where soldiers lived. They were very muddy, uncomfortable and the toilets overflowed. These conditions caused some soldiers to develop medical problems such as trench foot. PTSD was extremely common.

the british army and british colonist were by iroquois indians.

answer; /// i believe that the correct answer is (d)the huang he river valley;