PLEASE PLEASE HELP IM BEING TIMED Why was the growth of canning in the late 1800s unsustainable?

1:Overfishing began to drain resources.
2:It became more difficult to package fish.
3:Fish could not be stored properly for transport.
4:There were not enough people to catch fish.

Which of these was a cause of the war of 1812? a) french troops would not leave canada. b) spanish forces threatened to invade florida. c) british ships cut off american trade to europe. d) king george iii supported the confederate states.

What was one major difference between benito mussolini and adolph hitler? o a. hitler was more willing to use violence to secure power than mussolini. o b. hitler made racism central to his political ideology earlier than mussolini. o c. hitler was more supportive of communism and socialism than mussolini. o d. hitler followed the philosophy of militarism more strictly than mussolini.

What explains the increase in life expectancy in botswana? a. the increased availability of jobs and an improved economy b. access to antiretroviral drugs, hiv/aids education, and widespread hiv/aids testing c. a series of military takeovers that stabilized the political system and led to education reform and increased literacy rates d. a recent military coup that led to an improved healthcare system select the best answer from the choices provided.