Question

read the text. before snowplows were invented, travel on snow - clogged roads was a pain. in the 1840s, however, the first patents were issued for plows attached to carts pulled by horses. these early snowplows cleared roads, making it easier to travel. plows created a new issue, though. they made huge piles of snow on the sides of the road, blocking storefronts. one way to deal with this was to hire shovelers to clear the snow. in the late 1880s, plows and shovelers worked together to keep streets clear. the trouble was this process took a lot of time and effort. it wasnt until 1920 that an answer appeared in the form of snow loaders. as snow was plowed, it was forced up a scoop on a conveyor belt and dropped into a dump truck. match the problems with their solutions. mounds of snow piled up. snow removal was slow. travel was difficult on snowy roads. problem solution plows removed the snow. shovelers removed the snow. snow loaders removed the snow.

Explanation:

The text states that travel on snowy roads was difficult, and plows were invented to remove the snow for easier travel. Plows created mounds of snow, and shovelers were hired to remove them. Snow - removal was slow when plows and shovelers worked together, and snow loaders were invented to speed up the process.

Answer:

Travel was difficult on snowy roads - Plows removed the snow.
Mounds of snow piled up - Shovelers removed the snow.
Snow removal was slow - Snow loaders removed the snow.