Answer:
military and defense advancement
Explanation:
The Cold War began after the Second World War when tension between Eastern and Western Europe rises. The anxiety began because of different political ideas as Eastern Europe followed communism and the Western as Democracy. The Cold War created a sense of tension and fear. The arms race started within two nations, which led to the Cold War. Both countries, the Soviet and the United States, spent billions of capital trying to make nuclear weapons to display their strength. 
 
        
             
        
        
        
Age of Exploration<span> and </span>Discovery<span>. The </span>Age of Exploration<span> (also called the </span>Age of Discovery<span>) began in the 1400s and continued through the 1600s. It was a period of time when the European nations began </span>exploring<span> the world. ... The </span>Age of Exploration<span> took place at the same time as the </span>Renaissance<span>.</span>
        
             
        
        
        
Jim Crow laws were black codes targeted by any non-white class. They placed legal limitations on things such as voting, working, and even recreational events were limited to any non-white person.
        
             
        
        
        
Middle kingdom. I haven't heard about that one