In the early industrial revolution, most factories were built a roads b water sources c forests d the western border

B water sources--the water sources provided power to the mills for early factories. 

Early factories need a power source and water was cheap and accessible. Building next to flowing water sources moved the water wheels and provided power to the machines in the early factories. Electricity would later allow factories to move away from water sources. 

“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 .