Which of the following systems of trade was most wisely used in ancient river civilizations? (A) bartering
(B) the exchanged of coined money
(C) free exchange
(D) international trade

How was louis and clark expedition event unfolding and what was going on

For in this unit, you read about transitions of power and the formation of newly independent nations in africa, asia, the americas, and the middle east. some of these transitions were peaceful, while others caused long-term instability. why do you think some countries were more successful than others with political transitions? what do you think were the biggest challenges facing newly independent countries? would it have been possible for leaders to prevent these problems before they happened? why or why not?

Why did roosevelt support a europe first strategy even though it had been japan that had first attacked the us