It would be A, if you want an easy way to make sure your answers are right use process of elimination.
Answer:
hope this answer will help you.
Explanation: A short explantion: Countries expand/isolate because of climate change.
It might be said that James Watt <span>improved the efficiency and design of Newcomen's steam engine.
He was not only an inventor buy a mechanical engineer and chemist so he could improve Thomas Newcomen´s steam engine. It contributed to the Industrial Revolution in Great Britain and in the entire world. </span>
I am sure it is B. War, I had this question on my test and I got it right. If you get it wrong so sorry. But if helped mark me the brainiest!!
