Slowed technological progress.
Historians and archaeologists have three methods to reconstruct history: through primary sources, secondary sources and the oral history. Primary sources include the artifacts, videos and letters; while secondary sources are through books and reports. Oral history, on the other hand, are not written sources. They are passed on to generations through stories, songs, and may manifest in their customs and traditions.
C) increased worker benefits is the right choice because that’s what the people want
The United States sent military forces to the Balkans during the 1990s in order to rescue people from atrocities committed against them--"crimes against humanity"--and to take the assertive action that NATO as a peace-keeping enterprise could not take to end the war.