DEUTSCHLAND!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
around 3500 b.c. probably
<span>The correct answer is Irrigation. </span>
The Great Railroad Strike of 1877<span> started on July 14 in Martinsburg, West Virginia, in response to the Baltimore & Ohio</span>Railroad<span> (B&O) cutting wages of </span>workers<span> for the third time in a year. Striking </span>workers<span> would not allow any of the trains, mainly freight trains, to roll until this third wage cut </span>was<span> revoked.</span>
Answer:
To unite such a vast empire, Persian rulers relied on sophisticated infrastructure, centralized government, and a well-developed bureaucracy.
Explanation: