11.   The carnage lasted until midnight when a small detachment of federal troops intervened and the rioters scattered.

12.   The President sent federal troops to Grenada to keep the peace.

13.   With many of their tents in Confederate hands, large numbers of Federal troops lay unprotected on the ground.

14.   Refugees had come under attack from federal troops.

15.   In subsequent fighting between Yugoslav federal troops and Slovenian soldiers Defence Minister Fasslabend alleged repeated violations of Austrian airspace by Yugoslav federal military aircraft.

16.   He emphasized, however, that he was not yet proposing any withdrawal of federal troops from the province.

17.   And so Forbus was gonna get the smack of firm government and the federal troops went into Little Rock and sorted it out.

18.   Although Vance was criticized in some quarters for being slow to call in federal troops, he won praise from black leaders for easing the crisis.

19.   As part of an election deal to assuage the southern Democrats, Hayes agreed to pull federal troops out of the South shortly after his inauguration.

20.   As tensions rose, a demonstrator was killed, and federal troops were called in.