Answer:
reliable: Encyclopedias, history blogs by colleges
Explanation:
The answer is "brought about reform of the meatpacking industry by the government creating and enforcing laws to make it safer and cleaner."
The major causes of conflict between Native Americans and white settlers in the 1800s were "d. the issue of who owned and controlled the land, and for which purposes it should be used" and "b. the slaughter of buffalo herds on which Native Americans depended for food", since it was usually the settlers who broke the treaties.
Explanation:
The senate has advice and consent powers. This means they do things such as sign treaties. The house focuses more on reviewing bills.