Steam boats would fall apart if it hit a rock or snag
Two nations in Southeast Asia that're archipelagos is Indochina, and the other one is Malay Archipelago.
In the late 1800s, many Russian Jews immigrated to the US to escape mistreatment in their native country. This is an example of a <span>push factor, because people left Russia to escape dangerous conditions. Hope this answers the question. Have a nice day.</span>