Why was the slave trade abolished (full detail on why it was)

Explanation:

Since profits were the main cause of starting a trade, it has been suggested, a decline of profits must have brought about abolition because: The slave trade ceased to be profitable. Plantations ceased to be profitable. The slave trade was overtaken by a more profitable use of ships.

To water it down basically slave trade stopped being profitable. Plantations stopped being profitable. The slave trade was overruled to profitable use of ships.

answer; i believe its (cpr);

in the 1800s, locomotives powered by steam made transportation faster and cheaper. the resulting rapid growth of railroads led to the connection of the atlantic and pacific railroad in oklahoma city in 1897.

in the last years of the century, the improvement of steam-based engines the expansion and growth of railroads. this growth increased when the companies started to build and expand, such as the atlantic and pacific railroad, which connected new mexico with california, and missouri with oklahoma. many of these new networks were built in oklahoma, and these changes transportation henceforward.