How do the details in this passage support the central idea? The details provide examples of how France gradually became a place for worldwide trade.
The details describe the various measures that were taken to keep the merchants safe.
The details explain why Europe immediately welcomed foreign traders to its marketplaces.
The details describe how a series of wars brought about the downfall of a European fortress.

The details provide examples of how France gradually became a place for worldwide trade.

Explanation:

From the excerpt, it was written that there was a smart count in the Champagne region of France which helped in guaranteeing the safety of any merchant that came to trade at the markets.

With the passage of time, the fairs flourished and then became the one place where Europeans could buy and sell products from the surrounding world. Therefore, this showed that France gradually became a place for worldwide trade.

here are some events that to cause increased conflict between the north and south

1) mexican cession- gaining modern day california, utah, arizona, and new mexico from mexico. caused southern and northern politicians to fight over whether or not there would be slavery in these newly acquired territories.

2) uncle tom's cabin- this famous book described the cruelty of slavery in the south during the antebellum period, causing more northerners to support abolition and southerners to resent the book as they felt it unfairly depicted southern society.

3) kansas- nebraska act- disagreements over whether or not kansas and nebraska would be free or slave states caused issues between northern and southern politicians in congress.

4) bleeding kansas- this fighting took place in kansas after congress allowed this territory to vote on whether or not they would have slavery. citizens were killed and buildings were destroyed during this fighting.