What event finally caused the u. s. to enter world war 1?

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 a. primary sources are historical documents, and secondary sources are modern-day documents.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.

Question 1 which of the following can be defined as a " non-public" forum? a. the inside hall of a convention hall. b. a public street corner c. the steps of a court house d. a school classroom question 2 why is it beneficial for the government to allow freedom of speech? a. by allowing freedom of speech, the government can improve by hearing and accepting criticism from the people. b. by allowing freedom of speech. the government can punish actions by it's citizens. c. by allowing freedom fo speech, the government will provide a diverse culture. d. by allowing freedom of speech, the government allows itself to be overthrown to create a better government. question 3 which of the following is an example of sedition? a. a socialist encourages military soldiers to leave the military before they are legally allowed to. b. a communist presents ideas for a new government. c. a student organizes a flag burning protest. d. the new york times is restricted from printing a story about a defense trial.

The picture below shows president richard nixon and the first lady standing before the great wall of china in 1972. they are smiling - as are the chinese with them. when this picture was shown on american television, americans were aware that it was a historic moment. what are two reasons why this moment was important for both china and the united states?