In 1957, America established an agency called Advanced Research Projects Agency (ARPA) to build a particular technology during World War II.
1957: Ngalaba Nchebe nke United States guzobere obere ụlọ ọrụ a kpọrọ ARPA (Advanced Research Projects Agency) ịzụlite sayensị na nkà na ụzụ ndị agha.