I believe it's A.) A means of communication. It depends on what you're using it for in a sentence. Hope this helps! :))
B. an agreement to boycott all British imports
At Waterloo in Belgium, Napoleon Bonaparte suffers defeat at the hands of the Duke of Wellington, bringing an end to the Napoleonic era of European history. The Corsica-born Napoleon, one of the greatest military strategists in history, rapidly rose in the ranks of the French Revolutionary Army during the late 1790s.
The Waterloo Campaign was fought between the French Army of the North and two Seventh Coalition armies, an Anglo allied army and a Prussian army, that defeated Napoleon in the decisive Battle of Waterloo, forced him to abdicate for the second time, and ended the Napoleonic Era.
plz mark me as brainliest :)
Answer: some achievements are creation of mathematics and sewage systems,
Explanation: They are things we use today for example sewage systems are now modernized into more advanced systems.
