What two incentives did the federal government give the railroads to build a transcontinental?

a.

congress passed laws allowing for free passage between states.

well that depends on how deep the hole is. you'd first go through te crust of the earth, then the upper mantle, then the lower mantle then the outer core, then the inner cor then you'd be stuck in the core to melt.

1. where does the energy of a nuclear power plant come from?

d) political bosses should not hold office

a. by accepting the election of president abraham lincoln in 1860 and convincing other southern states to do the same