19. religion in which people dressed plainly
and believed in peace

It could be Islam.

Explanation:

Usually, when the phrase "religion of peace" is said, the conversation is always around Islam. Peace is greatly associated with Islam. Even when Muslims greet each other, they say "asalamu alaykom," which means "peace be upon you."

As for the dressing plainly portion, Muslims are supposed to dress modestly. This means that they are supposed to avoid tight or revealing clothing.

?

Explanation:

I kmow its cant fit ito the box im trying to figure it out myself but go to the social studies weekly website and do the crossword there them write it down on paper when you fill the box in it tells whether or not it right or wrong green is right red is wrong

answer; mental health prevention programs;