"Austria-Hungary<span> declared war on </span>Serbia<span> after serbian nationalists assassinated Archduke Franz Ferdinand and his wife, this was not necessary as only a few serbians participated and these assassinations usually did not result in war" (prezi.com)</span>
The Progressive era was an Era that lasted from 1820 to 1920, it was a collection of ideas and activities about how to fix many problems in American society.
They aimed to stop Senate corruption because, at that time, political machines often influenced the election of senators in exchange for federal contracts and jobs. So the progressists proposed the direct election of senator by all states voters. This was passed by the 7th Amendment.
The belief that the United states had a duty to spread democracy across the continent.
Answer: e. Exposed US for spying on the USSR & lying about it at the highest levels of our government
Explanation:
The U-2 Spy Plane Incident happened in May 1960 when the Soviet Union captured American pilot Francis Gary Powers after shooting down his U-2 spy plane which was being used by the US to gather information about the Soviet Union's nuclear programme.
The Soviets did not initially say that they had captured the pilot so the US lied about the incident and said it was a weather plane that had flown off-course. The Soviets then revealed that they had Powers in custody at which point the US relented and took responsibility.
Calkins(mary whiton calkins