can a dod activity enter into a service contract for a military flight simulator without getting a waiver from the secretary of defense?

Why should characters such as / \ " ' * ; - ? [ ] ( ) ~ ! $ { } < > # @ & | space, tab, and newline be avoided in file names?

15: 28read the summary of "an indian's view of indian affairs."15 betterin "an indian's view of indian affairs," it is asserted that conflicts could be reduced if white americansunderstood native americans..pswhich of the following would make this summary more complete? eleo the fact that chief joseph believes the great spirit sees everythinthe fact that chief joseph was born in oregon and is thirty-eight years oldo the fact that chief joseph states that he speaks from the hearthehehethe fact that chief joseph of the nez percé tribe made this claimebell- ==feetle===-felsefe ==submitmark this and retum.=

Which task uses a simple parameter?