From which town did three of the trails originate?

In the American Old West, overland trails were popular means of travel used by pioneers and immigrants throughout the 19th century and especially between 1830 and 1870 as an alternative to sea and railroad transport. These immigrants began to settle various regions of North America west of the Great Plains as part of the mass overland migrations of the mid-19th century.

a.) are both appointed for life

b. florence

d. milan