What made the mongols nearly unstoppable of the battlefield?

Cherokee  removal, part of the trail of tears, refers to the  forced  relocation between 1836 and 1839 of thecherokee  nation from  their lands ingeorgia, south carolina, north carolina, tennessee, texas, and alabama to the indian territory (present day oklahoma)  in  the thenwestern united states, and the resultant deaths

Asa whitney was the first to advocate for a transcontinental railroad.

More often then not, yes.