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.

in 1803 the louisiana purchase took place, doubling the size of the country. by 1840 almost 7 million americans had migrated westward in hopes of securing land and being prosperous. the belief that settlers were destined to expand to the west is often referred to as manifest destiny.

explanation:

i think the answer is a and i hope this ; ))