How did the expansion of European empires such as the Dutch, British, and Portuguese change global interactions? 1. It led to indigenous people being forced to intermarry with Europeans and move to Europe to raise their families.

2. It created trade networks that contributed to the rise of American powers and the weakening of other regions.

3. It reformed how Europeans practiced medicine because they learned about medical practices in other parts of the world.

4. It created trade networks that contributed to the rise of European powers and the weakening of other regions.

B it created trade networks and yada hara yada

Explanation: In the 15th century, Europe sought to expand trade routes to find new sources of wealth and bring Christianity to the East and any newly found lands. This European Age of Discovery saw the rise of colonial empires on a global scale, building a commercial network that connected Europe, Asia, Africa, and the New World.

answer: the time zones used to be whatever the local authority wanted them to be. one town might have 6am whenever the sun came up and another town had 6am 10 minutes later.  

the trains had a hard time when their orders said to be at a certain point at 6am.  

6am, but who's 6am.  

the railroads got together and set the time zones more or less along the longitude lines across the country.

explanation: