cold war to present By soriari 1950 Korean war https://docs.google.com/document/d/1At3ebIHHtjCWvTwMP_REYdLfodkjz0bX-uZXOnx8DUA/edit?usp=sharing 1961 Berlin Wall https://docs.google.com/document/d/1sQFCUYdXStOsWx4cPQA-avogjafmw6rXsuhJhe9QDko/edit?usp=sharing
