[Non-Sequitur]

By 1860, steam was a norm in maritime vessles. Ships tended to have screws by then or, if not that, were at least side wheelers.

Back to your books, GOP. Intercoastal commerce used steam as did many passenger packets, but transatlantic cargo still moved primarily by sail. Sail ships would continue to move a lot of cargo almost until the 20th century

[GOPcapitalist]

Back to your books, GOP. Intercoastal commerce used steam as did many passenger packets, but transatlantic cargo still moved primarily by sail.

Stats please. Otherwise, quod gratis asseritur, gratis negatur.