What is meant by the phrase "seas of mud"?
The trenches were filled with mud.
The rain ran through the trenches like the waves of the sea.
The rain helped clean the uniforms.
The sea was spilling into the trenches.

There was so much mud, and it was almost like the seas due to the largeness of the amount of mud and also the fact the author compares the rain running through the muddy trenches like "the waves of the sea".

Explanation:

should you be the one doing this journal entry? it says "your special talent or skill". are you gonna lie 'bout your talent and make us fake a talent for you?

also this is a really easy journal entry, you can just think of a skill your good at and write did you work hard to become good at this skill (ex: drawing, writing, math, playing music, etc.) or does it come naturally (like a cool trick that you can do with your body). you can do all of that in 150 words. just try and think of a talent and even if your bad at this talent just say your working hard to become good at it.