Answer:
The Domino Theory was based on the idea that communism was a contagious force that spread from country to country. It was first advanced during Harry S. Truman's presidency, when WW2 ended, as the United States adopted the policy of Containment to restrict communist expansion and the sphere of influence held by the USSR.
Not enough food and supplies and illnesses. If this was helpful please rate this 5 stars
Because during that time railroad company's would monopolies on farmers and the act required them to have a reasonable and just cost to use railroads. Hope this helps.
Jacques Cartier and Samuel de Champlain explore Canada.
In my opinion it would be A
