Mass production led to a decrease in the demand for skilled workers. The reason for this was that craftsmen no longer needed to get a boy of a young age who would stay with them for many year where they would teach him the craft they were good at. All of this was changed by machines which were more efficient, faster didn'ttire, and required minimal maintenance compared to a human being. For this reason, the demand for skilled workers decreased.
Answer:
1. Caravel
2. Magnetic Compass
Explanation:
Various new tools/technologies/inventions helped Europeans to go on explorations beginning in the fifteenth century. The European exploration was started by the Portuguese in an attempt to find easier and faster routes to the Asian continent.
However, some of various new tools/technologies/inventions helped explorations beginning in the fifteenth century include:
1. Caravel: the latest ship at that time. It was cheaper to build, faster and easier to navigate the sea with it.
2. Magnetic compass: this innovation served as a guide to the explorers as it provides a significant magnetic north for travelers. It was invented in China.
USA trade intrests in the Mediterranean and the Atlantic were severely affected, and any effort to secure those intrests meant war. In addition, after the war, the world became polarised and the Soviets who were communists were aggressively expanding around the globe, which implied that American system of free trade and democracy was being threatened.