Discussion Topic in this unit, you studied World War and World War II. Both of these wars had
devastating effects on the nations that were involved in the war. What were
some of the peacekeeping measures that were taken after each conflict to
prevent future wars How successful were these measures Do you think another
world war could ever take place againWhy or why note

Explanation:

In this unit, you studied World War I and World War II. Both of these wars had devastating effects on the nations that were involved in the war. What were some of the peacekeeping measures that were taken after each conflict to prevent future wars? How successful were these measures? Do you think another world war could ever take place again? Why or why not?

2. a land bridge connected asia and north america thousands of years ago.

4. crossing the land bridge would have been simple for the first migrants.

5. people might have crossed a land bridge while hunting animals.