I believe the answer you are looking for is Merchantilism. Let me know if I helped any.
Answer:
"Lincoln arrived in New Salem by way of flatboat and he remained in the village for about six years. During his stay, Lincoln earned a living as a shopkeeper, soldier in the Black Hawk War, general store owner, postmaster, land surveyor, and rail splitter, as well as doing odd jobs around the village."
Explanation:
Stalin instituted the Berlin Blockade<span> (24 June 1948 – 12 May 1949), one of the first major crises of the Cold War, preventing food, materials and supplies from arriving in </span>West Berlin. <span>The United States, Britain, France, Canada, Australia, New Zealand and several other countries began the massive "Berlin airlift", supplying West Berlin with food and other provisions.</span>