Answer:
B: American labor unions are leading the nation into a situation of political unrest economic instability.
Answer:
The children are wearing loose clothing
The children are exposed to dangerous machinery
The children are not wearing any protective gear
Explanation:
The main problems of evidence in dealing with early civilizations is that much of the potential evidence itself--such as tools, homes, etc--has vanished due to the fact that it was made of materials such as clay that could not withstand the test of time and weather.
William McKinley was the 25th President of the United States, serving from March 4, 1897, until his assassination on September 14, 1901, after leading the nation to victory in the Spanish-American War and raising protective tariffs to promote American industry.