Which of the following groups fugitives use the underground railroad during the mid-1800s?
a. conductors and railroad workers
b. ministers and businessmen
c. slaveholders and slave hunters
d. abolitionists and religious groups

The answer you are looking for is abolishment and religious groups 

“destroyers for bases agreement in the destroyers for bases agreement between the united states and the united kingdom on september 2, 1940, fifty caldwell , wickes, and clemson class us navy destroyers were transferred to the toyalbnavy from the united states navy in exchange for land rights on british possessions.” i hope this you .

The embargo act of 1807  was a law passed by the united state congress and signed by president thomas jefferson on december 22,  1807. it prohibited american ships from trading in all foreign ports. in 1806, france passed a law that prohibited trade between neutral parties, like the u.s., and britain.