Answer: Most likely the industrial revolution.
Explanation: The use of machines in production became more and more prevalent, eventually many factories were built in cities which caused pollution therefore making the air gross.
Haber Process, Born-Haber Cycle, Fertilizer, explosive material, chemical warfare,etc.
<u>While the French Revolution was a complex conflict with numerous triggers and causes, the American Revolution set the stage for an effective uprising that the French had observed firsthand.</u>
Answer:
B or C
Explanation:
Union and Confederate armies clashed near Manassas Junction, Virginia, in the first major land battle of the American Civil War. The Confederate victory gave the South a surge of confidence and shocked many in the North, who realized the war would not be won as easily as they had hoped
