Which of the following describes what happened on Black Tuesday? Option 1 - Billions of dollars of investors' money was lost in just a few hours. Option 2 - More than 640 commercial banks failed in one day.

option 1

Explanation:

The United States stock market crashed. When stock prices started to decrease drastically, people rushed to sell their stock(s) and get out of the market, which drove the prices and economy down even further. this was a key event that lead to the great depression.

the constitution of the united states gave congress the absolute authority over immigration laws

1. it was caused by feudalism

2. charlemagne used christianity as a major cornerstone for his rule. cloisters were built all over the empire to act as centers for the (re)population of the vast european wilderness.

3. the europeans feared the next raid every time chetak

i'm not so sure about #6. but i hope i you with the first 3.