Here are afew things, Under water warfare sub, the chronometer, and the toilet.
Answer:
the answer is D. official or approval
Explanation:
this is the definition: <u>the action of signing or giving formal consent to a treaty, contract, or agreement, making it officially valid.</u>
The answer is Gutenberg. Hope it helps!
Answer:
The biggest issues in europe after the war was large debt, broken economy and having to finance reconstruction.