Its A you out the answer at the bottom
B. Public railroads for people who had carriages.
The primary aim of the Marshall Plan was "<span>b. to provide aid to the devastated countries of Europe," since the US believed that doing so would help these nations resist the spread of communism. </span>
At the height of the Great Depression, it was said that about 25% of the labor force was out of work.
The correct answer is D)macadam. Macadam was an invention keyed by a Scottish man who changed the way we view paving of roads and highways. Macadam is a mixture of small stones crushed together with asphalt, the sticky, black material used for both concrete and macadam. The name Macadam comes from the engineer's name, which was John Loudon McAdam. There had been other attempts at macadam before McAdam, but McAdam improved it and his was the first to arrive in the United States.
