Hmm, The compass and the astrolabe
I think the best answer is option D
Lexington and concord was the first battle of the revolution
Answer:
As the electorate expanded, the political parties evolved to mobilize the growing mass of voters as the means of political control. Political parties became institutionalized to accomplish this essential task. ... The number of independent or third-party members of Congress or of state legislatures is extremely low
The main impact of the invention of the cotton gin in 1793 was on the ability to process short-staple cotton.