According to the article about the zhou dynasty, this dynasty was broken into different eras because its capital changed from place to place. how many different eras were there in the zhou dynasty?

How can you avoid the problem of groupthink? a. by choosing a group leader to direct the group b. by composing the team of only like-minded individuals c. by encouraging all members to voice their opinions d. by keeping quiet when you disagree with another group member's opinion

How does langston hughes use the denotative meaning of the word uniform ironically in his poem "will v-day be me day too"? a. to show that african americans faced segregation even while fighting for their country alongside americans of other races b. to show that african americans enlisted in the war hoping to gain acceptance and equality in their country c. to show that by donning the u.s. army uniform, the people of america stood united, irrespective of their race d. to show that african americans who were part of the armed forces were treated with dignity

What does robinson find out about his family when he returns to england? a. they are dead except for one brother. c. they moved away from england years ago. b. they are not overjoyed to see him alive. d. they are dead except his 2 sisters.