▁Atlantic . ▁Con struct ing ▁large ▁ships ▁was ▁therefore ▁more ▁prof itable . ▁Moreover , ▁migration ▁to ▁the ▁Amer icas ▁increased ▁enorm ously . ▁These ▁movements ▁of ▁population ▁were ▁a ▁financial ▁wind fall ▁for ▁the ▁sh ipping ▁companies , ▁some ▁of ▁the ▁largest ▁of ▁which ▁were ▁founded ▁during ▁this ▁time . ▁Ex amples ▁are ▁the ▁P & O ▁of ▁the ▁United ▁Kingdom ▁in ▁ 1 8 2 2 ▁and ▁the ▁Comp ag nie ▁Gén éra le ▁Trans at lant ique ▁of ▁France ▁in ▁ 1 8 5 5 . ▁ ▁The ▁steam ▁engine ▁also ▁allowed ▁ships ▁to ▁provide ▁regular ▁service ▁without ▁the ▁use ▁of ▁sail . ▁This ▁aspect ▁particularly ▁appe aled ▁to ▁the ▁postal ▁companies , ▁which ▁le ased ▁the ▁services ▁of ▁ships ▁to ▁serve ▁clients ▁separated ▁by ▁the ▁ocean . ▁In ▁ 1 8 3 9 , ▁Samuel ▁C un ard ▁founded ▁the ▁C un ard ▁Line ▁and ▁became ▁the ▁first ▁to ▁dedic ate ▁the ▁activity ▁of ▁his ▁sh ipping ▁company ▁to ▁the ▁transport ▁of ▁ma ils , ▁thus ▁ens uring ▁regular ▁services ▁on ▁a ▁given ▁schedule . ▁The ▁company ' s ▁vessels ▁operated ▁the ▁routes ▁between ▁the ▁United ▁Kingdom ▁and ▁the ▁United ▁States . ▁Over ▁time , ▁the ▁p addle ▁wheel , ▁imp ract ical ▁on ▁the ▁high ▁se as , ▁was ▁abandoned ▁in ▁favour ▁of ▁the ▁prop eller . ▁In ▁ 1 8 4 0 , ▁C un ard ▁Line ’ s ▁ ▁began ▁its ▁first ▁regular ▁passenger ▁and ▁cargo ▁service ▁by ▁a ▁steam ship , ▁sail ing ▁from ▁Liverpool