How were americans afraid of the future in the americas? check all of the boxes that apply. a)they worried that european countries could take over independent countries in latin america. b) they thought that european nations could threaten democracy in america. c)they believed that europe would never again return to the americas.

the correct answer is a and b

john maynard keynes developed new economic theories in response to the stock market crash of 1929. great depression of the 1930s. first and second world wars. economic boom of the 1950s.

the graph shows the spread of railways in the 1800s.

based on the graph, the conclusion that can be drawn about germany is answer d)   by 1880, germany had more rail lines than great britain and russia.