Throughout history, there have always been diseases and medical problems with unknown causes and cures. What diseases are scientists studying today? Choose one disease and create a poster that warns people about its possible dangers and how it can be prevented, if known.

1. between 1754 and 1763

2. a land bridge between siberia and alaska that was exposed during the most recent ice age when the waters of the bering strait receded.

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answer is a meeting of congress.

explanation:

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i know social security wasn't one.

explanation:

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united states reinforcements contributed greatly to three allied victories in france at: cantigny (first major american battle), argonne (the largest in the united states military history, involving 1.2 million american soldiers), and château-thierry (one of the first actions under general pershing).