How did the creation of two separate oceans when the land bridge formed lead to a change in climate in many other parts of the world?

7. how did the early egyptians use the flooding of the nile river to their advantage? they diverted the water to flood their enemy's lands and destroy their crops. they created an easier way to travel to the mediterranean sea and the indian ocean. they established a new water-based athletic event for the ancient olympics in greece. they devised an innovative irrigation system, which created a surplus of food.

What was the overall impact of eli whitneys introduction of interchangeable parts?

Tension between the british and boers was caused primarily by what things?