How did gas warfare change the face of combat during world war i? (5 points)
soldiers had to wear special masks to protect themselves.
it replaced the use of air raids and machine guns in battle.
it led to mass military desertions on the battlefields.
chemicals such as mustard gas replaced trench warfare.

Many historians believe that the popular nursery rhyme “ring around the rosie” is about the black death

Excerpt from w. e. b. du bois jon reese 4 du bois was one of the first male civil rights leaders to recognize the problems of gender discrimination. he was among the first men to understand the unique problems of black women, and to value their contributions. he supported the women's suffrage movement and strove to integrate this mostly white struggle. he encouraged many black female writers, artists, poets, and novelists, featuring their works in his crisis magazine and sometimes providing personal financial assistance to them. the cause was that w.e.b. du bois encouraged many black female writers, artists, poets, and novelists. what was the result? think about cause-and-effect relationships.

The national security act of 1947 reflected: