The answer is D.united nations there united with some European countries and that’s how they maintain peace and protection
Answer: I think the cost of the Revolutionary War were worth the outcome of the war because the American Revolutionary War inflicted great financial costs on all of the combatants which included the USA, France, Spain, and Great Britain spent a total of 1.3 billion livres and a total of 250 million pounds respectively.
Answer:
The explanation is in the file:
tinyurl.com/wtjfavyw
Answer:
machinery and equipment developed from the application of scientific knowledge.
Explanation: