The right answer is the development of the atomic bomb.
The full-scale development of a Nuclear bomb came after the Japanese attack in Pearl Harbor, and knowing Germany was leading nuclear uranium research. The project Manhattan was created. The project joined the most renowned scientist of the century with industry, military and thousands of ordinary Americans working at localities across the country to interpret original scientific discoveries into an entirely new kind of weapon, the Atomic Bomb. At its peak, the project employed 130,000 workers and, by the end of the war, had spent $2.2 billion.
Upon its completion in 1130, the church of Cluny was the largest church in Europe.
The church of Cluny in France was finished in 1130. From that time until the construction of the St. Peter's Basilica in 1506, the Cluny abbey was the biggest church in Europe for about 500 years. This abbey was 500-foot-long and it was constructed in the Romanesque architectural style. In 1790, the abbey was sacked and almost destroyed.
The supreme court has the implied power of judicial review, which allows them to determine if an act of congress is unconstitutional.
The expansion era was when Egyptian leaders started using the title Pharaoh.
