I'd say the combustion engine, even though it was toyed with in the mid-west during the cowboy era, it wasn't until after the Civil War in which it was a fully effective gasoline powered engine.
All you have to do is remember the 3gs god, gold, glory
They commissioned and funded art and their work
Answer:
The Declaration of Independence was the culmination of years of dissatisfaction in the American colonies. People had been grumbling for a while, but the real anger started most clearly around 1763, at the end of the Seven Years' War (which is often referred to as the French and Indian War in the American context).
Explanation:
All of the above there were many problems in Europe at that time
