1. A sign with this shape means: Yield right-of-way
Speed and direction regulation
Railroad crossing

Speed and direction regulation sign

Explanation:

Those black borders are often seen on things like speed limit signs, no U-turn signs, etc. Those are all speed and direction regulation signs. Plus, yield right of way signs are triangles with the point turned down. Railroad signs have the shape of an X usually, whether it’s crisscrossed signs or a circular sign with an X in the center.

answer:

they didn't want to get killed by the armed forces

explanation:

there was a lot of people there and some of the us armed forces had guns and they didn't want to die

i gotcha bud, the answer is d

i hope this . have a nice day, make sure to take care of yourself. you're loved < 3