Carlolingian empire I hope this helps
Answer:
Because of his reputation as one of the finest officers in the United States Army, Abraham Lincoln offered Lee the command of the Federal forces in April 1861. Lee declined and tendered his resignation from the army when the state of Virginia seceded on April 17, arguing that he could not fight against his own people.
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Answer:
They promised to support Austria-Hungary after it threatened to invade Serbia.
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