Match the three characteristics, people, events, and documents to the following time periods Steam engine, canals, Seneca falls convention

cattle drives, Ellis island, Samuel Gompers

stamp act, Boston tea party, constitutional convention

A: Pre-Colonial 12,000 B. C-A. D. 1607
B: colonial era 1500s-1763
C: becoming a nation 1763-1789
D: The New Republic 1789-1815
E: Growing and Changing 1815-1858
F: The Civil War and Recontruction 1858-1877
G: The Modern Era Begins 1877-1900

answer: in 1900, there were no "workplace safety laws"!

explanation: at the beginning of this century, workers in the united states faced remarkably high health and safety risks on the job.

a century ago in 1900 about three hundred out of every one hundred thousand miners were killed on the job each year.

[industria] developments occurred within a legal and regulatory climate that diminished employer’s interest in safety. as a result, americans developed production methods that were both highly productive and often very dangerous.

may i ask which amendments?