Answer these if u actually know the answer

1. true or false, in the 1800-1860s in the united states, open water sailing, at this time, relied almost exclusively on having significant amounts of available coal in order for sail boats to operate.

2. which of the following most accurately represents the chronological order of transportation developments during this time period? :

a. canals, railroads, steam power, sail boats.

b. improved roads, canals, steam power, railroads.

c. steam power, railroads, canals, sail boats, improved roads.

d. railroads, steam power, sail boats, steam power.

3. which of the following best describes the impact of the invention of the telegraph? :

a. the economic connections between the northern and southern u. s. became much stronger, as the cotton market could be controlled more easily.

b. information could flow much faster, which facilitated the growth of daily newspapers based in major cities.

c. settlement along the west coast of the u. s. was enhanced because travelers could communicate about opportunities on the other side of the continent.

d. the telegraph had an impact on the economy, but was quickly surpassed by the invention of the telephone just prior to the u. s. civil war.

4. the railroad system required an ample supply of which of the following? :

a. wind.

b. gasoline.

c. coal.

d. wood.