<h3>The Berlin Blockade of 1948 to 1949 marked the beginning of the Cold War, the building of the Berlin Wall in 1961 represented the high point of tensions and the opening of the Wall in 1989 represented the end of Cold War tensions.</h3>
<h2>please mark in brain list </h2>
The United States uses "<span>d. trade embargo"</span> to encourage democratic reforms in Cuba, since it was thought that this would put pressure on the regime. They have largely failed to do so, however.
