Which of the following led to slavery becoming more widespread and brutal in the 1800s

B

Explanation:

Because they took the slaves from Africa and brought them around the world to differnt places

an effect of the steamboat's popularity was that people began building canals in the united states and europe. this was done to find another way to transport goods across the country and in that time, transportation using the river was very slow and dangerous. it depended entirely on manpower and the current of the river. that all changed in the late 1700's when steamboats were introduced. they soon revolutionized travel and trade through the river and dominated the waterways. eventually, other means of transportation took over from the steamboats, but there was a time that they the united states to expand to the west.

he ottoman empire established islam as its guiding religion, government, and laws