I wanna say it's D but I'm not sure.
Answer:
The Fugitive Slave Act and the Great Compromise both threatened the future for slavery as they galvanized northern abolitionists.
Explanation:
A stock exchange occurs in a centralized location, think Wall Street and the Stock Market. An over-the-counter market does not. Over-the-counter markets are considered less formal compared to exchanges. OTCs are less transparent and operate on fewer rules than exchanges. This can be both good and bad for those involved.
