Select the correct answer. what is one way that historians can establish the authenticity of a primary source? a. by comparing the source to other established sources from that time period b. by conducting endless chemical tests on the source to establish its reliability c. by relying on the claims of the archaeologist who discovered the primary source d. by relying on information provided on personal blogs or government websites

1. why didnt the league of nations(lon) stop germany and italy from being aggressive towards other nations before the war? a. the lon supported german and italian aggression b. the lon was only concerned about japanese aggression c. the lon didnt have an army or real power to enforce what it wanted d. the lon was busy solving the spanish civil war2. why did allied powers try to appease nazi germany before ww11? a. all the following were reasons for appeasement b. world war 1 was so terrible that many leaders never wanted another war c. many people thought the newly-streangthened soviet union was a bigger threatd. many leaders wondered if they could win another war or if their old allies (like america) would even join their side this time 3. at the end of the war what 2 countrys emerged as global superpowers? (2) a. the united states b. great britain c. france d. the union of soviet socialist republics e. germany

Look at the map of cities in the united states at the turn of the twentish century what impact did railroads have on cities across the united states at the turn of the twentish century

Which impact did the civil war have on the spread of disease in texas a. disease decreased bc people left the area to fight in the war b. disease increased bc medicine was in short supply. c. disease increased bc many new diseases were brought to the area d. disease decreased bc confederate doctors distribute new medicines to local communities