I think it's B as the answer
Answer: The Walls Protecting Athens. The walls protecting Athens during the Peloponnesian War. Initially Athens' strategy, as guided by Pericles, was to avoid open battle with the more numerous, and better trained Spartan hoplites, and to instead rely on Athens' superior fleet.
Explanation: Yes.
The answer is B. United Nations
Answer:
Industrialization in the continent of Europe spread from started in the 19th century. It started from the great Britain and slowly spread over the entire continent.
Explanation:
Industrialization was one of the greatest reforms. Human labor turned into mechanical labor solved half of the human problems. Industrialization which started from Great Britain slowly and steady spread over the entire continent.
The reason why industrialization began was because Britain had an abundance of coal. This led to the production of coal and hence economic stability was seen. This eventually led to the increase in its population.