Committed are an essential part of the legislative process. Senate committees monitor on-going governmental operations, identities issues suitable for legislative review, gather and evaluate information.
The answer to this would be B. A history textbook.
A textbook is written by many people not just one wiht the person not around in that time peiod.
"a personal recod" is a autobiography and autiobiographys are written by the person who lived it so its a primary source. Therefor the answer is not a or c. Its not D because organztion records are writin recerds that makes them primary.
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One of the major factors that caused the nation's cities to grow in population at the end of the nineteenth century was a rise in industrialization, which led to a higher demand for factory workers. Another aspect was that immigration was rising.
I think its D because i have a feeling its not a or b