Explain the historical circumstances that led that led to the use of machines described in the letter

What is the main difference between primary and secondary sources? a. primary sources are historical documents, and secondary sources are modern-day documents. b. primary sources are derived from museums and archives, and secondary sources are created by history students and academics. c. primary sources are found in ancient places with a rich history, and secondary sources are found in historical journals and blogs. d. primary sources are created during a particular historical era, and secondary sources are created by studying primary sources.

What was a goal of the treaty of versailles? to germany rebuild its industry to build better roads and factories in germany to make sure germany did not invade france in the future to give great britain and the united states credit for their in wwi

Which president was known for the statement “speak softy and carry a big stick? ”