Explain the connection between technological developments and historical change . answer in about 5 sentences

Pollution from a factory that produces cleaning products is an_

Did the writers of the declaration of independence accomplish their goals (did we get our independence and the new government we wrote about)?

This chart shows the number of soldiers killed according to two different sources. source a is a book written by university professors. source b is from a well-known historical website. in a paragraph, explain why the data presented is different, and evaluate the reliability of each source. which should be used in a school research project, and why?