Inventions have changed people's lives in major ways throughout history. While most inventions have positive effects, some have negative outcomes, and others have unplanned results. Choose all statements about inventions that are TRUE.

A) Traveling and the transporting of goods became faster with the invention of the steam engine.

B) A negative result of inventing the cotton gin was a rise in slavery on cotton plantations.

C) The car industry nearly came to an end in 1950, which was an unplanned result of inventing the airplane.

D) The invention of cars caused air pollution to increase around the world.

E) The invention of refrigeration allowed food to be transported longer distances.

The california gold rush: actually had only a small impact on california’s population because its rich farmlands already attracted thousands of new settlers each year. attracted almost equal numbers of men and women. resulted in laws that discriminated against “foreign miners.” made considerable wealth for average miners because gold mining demanded no real investment of capital. hurt the development of san francisco because gold discoveries shifted interest to areas outside of town.

Acivilization reaches its high point during its stage. a)birth b)growing pains c)adulthood d)senior

During the 1920s, the federal reserve increased the money supply and kept interest rates very low, encouraging consumer spending and the brisk borrowing of money. business investment and the expansion of businesses grew rapidly during the 1920 to meet the needs of this huge consumer spending. however, during the crash of 1929, the federal reserve reversed its expansionary monetary policy and cut off the money supply by almost 30%, causing banks to not have enough currency on hand when depositors wanted their hard-earned money. after reading the prompt, what can you surmise happened next that contributed to the great depression? a) black tuesday b) collapse of banks c) high unemployment d) election of franklin d. roosevelt