How was ocean shipping transformed by the mid-nineteenth century?
A) There were more efficient, powerful engines.
B) The average size of freighters increased from 200 to 7,500 tons.
C) Steel replaced wooden hulls.
D) Propellers replaced paddle wheels.
E) All of these

Question

Quizplus · Accepted Answer

All of these options contributed to the transformation of ocean shipping in the mid-nineteenth century. The development of more efficient and powerful engines, along with the shift from paddle wheels to propellers, allowed ships to travel faster and more efficiently. The use of steel hulls increased durability and allowed for larger ships to be built, with the average size of freighters growing from 200 to 7,500 tons.

How Was Ocean Shipping Transformed by the Mid-Nineteenth Century