What kind of government structure does the United States have?

In 1933 the 21st amendment was added to the u. s. constitution, allowing for the manfacture, transportation, and sale of alacoholic beverages in the united states. why was this amendment needed?

Based upon this data, which statement accurately represents the difference between investments in the two stocks? select the best answer from the choices provided. a.  monopower has less volatility but lower returns than ifruit company. b.  monopower has more volatility but lower returns than ifruit company. c.  monopower has more volatility and more liquidity than ifruit company. d.  monopower has less volatility but more liquidity than ifruit company

If scientists only detect p waves in a certain layer of earths interior what does that tell us?