The Magna Carta was first in 1251. Columbus discovered america in 1492.
The politician was Winston Churchill!
In general, yes, immigration during 1830s to 1840s was vital to the industrialization of America, since it was mostly immigrants who first sought employment in the factories that were an essential element of industrialization.
The most important geographic factor is the environmental impact of a New Sea port and if it has easy access to the oceans into transportation from England points to come to it. The mouth of the Mississippi River in New Orleans and the Seaport have severely negatively impacted the environmental area. Hurricanes can hit the area and for example New Orleans is mostly below sea level, this caused a major disaster in the area of which they are still feeling the economic impact of not being prepared for such a major catastrophe .