The Continent the explorers came from was Europe.
the mughal come to sub-continent from Central Asia
British
Africa
Europe.
In the early 1900s, millions of immigrants came to East Coast cities such as New York City and Boston. Cities were a popular destination due to the availability of jobs.
Poland, Russia, Italy, England, Finland, Greece, China, Japan,
They came because they wanted their rights and freedom that they didn't get from their homelands that they have came from.
Japanese immigrants came from Japan, which is on the Asian continent.
Europe
nothing
Antarctica. Due to its extreme climate and lack of permanent human settlement, very few immigrants come to the US from this continent.
They have come from Asia.
Europe - about 45,000,000 immigrants other North American countries - about 14,500,000 immigrants South America - about 2,000,000 immigrants Africa - about 500,000 immigrants (not including slaves that were forced to come) Asia - about 8,000,000 immigrants Australia - about 300,000 immigrants
Agricultural machinery and plentiful food
The fuel to run the engine was hard to come by. Parts for repair were hard to get.
The year 18900 has not come yet. So I am guessing that you mean 1890. No, they were begining in the early 1900s.