Your answer is c to your question
Answer:
In the Declaration of Independence, Thomas Jefferson announced that every human being has “certain unalienable rights,” among which are those to “life, liberty, and the pursuit of happiness.”
Answer:
a governmental system led by a dictator having complete power, forcibly suppressing opposition and criticism, regimenting all industry, commerce, etc., and emphasizing an aggressive nationalism and often racism
Explanation:
It took several years. Now, we don't know the exact number of years it took to find out what roman concrete was made of, but we do know it took several years. Hope I helped! :)
