Eisenhower believed that it was very important to keep a non-Communist government in Vietnam. It was believed by many at that time that Communists all over the world were united in a international conspiracy and their plan was to topple non-communist governments one by one until they achieved world wide domination.
Since the 1950s, the USA has had sanctions against Cuba, being enforced mainly by 6 statutes, the last one being passed in the year 2000. The Cuban government itself believes that the embargo has cost Cuba $753.69 billion USD.
Because they both wanted it's land.
In 1871 two new major states of Europe had been formed—the German Empire and the kingdom of Italy. The new German Empire, under the hand of Otto von Bismarck<span>, was steered carefully, always with an eye upon France, for the Franco-Prussian War (1870–71) had left France thirsting for revenge and for recovery of the lost provinces of Alsace and Lorraine.</span>
Because the northwest passage represents centuries of effort to find a route westward from the Atlantic and Pacific Oceans to the Arctic Archipelago of what is now Canada. Europeans searched for 300 years to find a viable SEA TRADE-ROUTE to Asia. If they were to find it, it would have been easier to travel through seas, and land in the past.