Answer:
C
Explanation:
Significance- The Cotton 'Gin enabled cotton to be cleaned of seeds much faster than by hand. It also increased the need and demand for slavery as a major labor force in the South. Interchangeable parts enabled the modernization of weapons and other machine parts.
There have been 45 presidents as of now. President Donald J. Trump is our current and 45th president of the United States. That being said, there have been a total of 44 other presidents behind him. So, if you include Trump, there have been a total of 45 presidents in the United States. The first of which was George Washington and the current president being Donald J. Trump.
The 19th Amendment amendment states that 'the right of citizens of the United States to vote shall not be denied or abridged by the United States or by any State on account of sex'.