Britain's imperialist practices were often only great for Britain, not for the colonies, which was seen in the US, India, China, and many many other colonies which were on the verge of disaster because of imperialist ruling.
The article describes the two-party system in a positive way,because in a multiparty system, More-Extreme parties can gain some Political Power.A two-party system helps prevent radical or extreme View from gaining power.<span />
It strengthened Fidel Castro's position. The bay of pigs was a failed attempt to remove him from power. When it failed the U.S was exposed as trying to start a revolution with one of their "allies". This really hurt the U.S in the future because it led other countries not to trust them.