Answer:
The assassination of the heir to the heir to the Austro-Hungarian throne, Archduke Franz Ferdinand, and his wife, Sophie. On June 28, 1914, the couple paid a state visit to Sarajevo, the capital of Bosnia.
Explanation:
He worked on the telescope by improveing it and he studied astronomy
Answer:
c separation of powers(sorry don't have explanation)
The articles of confederation are the document that was unanimously adopted in 1781 and gave most of the governing power to the states. The continental congress accepted the articles of confederation which is the first constitution of the united states, on November 15, 1777. On the other hand, approval of the articles of confederation by all thirteen states did not happen until March 1, 1781.