They did sentry-go along the dam-top, and patrolled or watched the lower levels of the works below the dam.

They patrolled also the street and the road above and below the camp.
Well paid human labor had erected this great dam, mixed with the returned soldiers and a small per cent of labor sometimes sullen, with no affection for its work.

In time among such as these came agents of a new and vast discontent, some who spoke of a "rule of reason," meaning thereby the crazed European rule of ignorant selfishness, others who spoke of "violence" as the only remedy for labor against capital.

With what promises they deluded labor, with what hopes of any change, with what possibilities of later benefits, with what chimeras of an easier, unearned day, it matters not.

They found listeners.
Against these covert forces working for the destruction of our civilization, our Government developed an unsuspected efficiency, sometimes through its department of justice, sometimes through a vast and silent civilian body of detectives working all over the country and again through its franker agencies of the military arm.