This is answer:formation of the kingdom of Italy 1861the sweep of revolutions across Europe, 1848Metternich's initiatives to curb nationalism 1799 the enlightment. 1685
Primary and secondary sources are similar in a couple ways. They both are ways to get information. They both are good things to go to if you are wanting to learn about a certain subject. With similarities there is some differences. Primary sources are writings or things that came from the time when it was happening. Example: George Washington's Journal that he specifically wrote during the time that it was written. A secondary source is like a copy of a primary source. It is something that didn't happen at that time. Example: The American Flag we can buy. That is a copy of the original flag.
More resources, land, and laborers from other countries. Also, more available trade opportunities with more land.
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.
