SEC. 8. _And be it further enacted_, That it shall be lawful for the President of the United States, or such person as he shall empower for that purpose, to employ such part of the land and naval forces of the United States, or of the militia thereof, as shall be necessary to compel any foreign ship or vessel to depart the United States in all cases in which, by the laws of nations or the treaties of the United States they ought not to remain within the United States. SEC. 9. _And be it further enacted_, That offences made punishable by the provisions of this act, committed by citizens of the United States, beyond the jurisdiction of the United States, may be prosecuted and tried before any court having jurisdiction of the offences prohibited by this act. SEC. 10. _And be it further enacted_, That nothing in this act shall be so construed as to prohibit citizens of the United States from selling vessels, ships or steamers built within the limits thereof, or materials or munitions of war, the growth or product of the same, to inhabitants of other countries, or to Governments not at war with the United States: provided that the operation of this section of this act shall be suspended by the President of the United States with regard to any classes of purchases, whenever the United States shall be engaged in war, or whenever the maintenance of friendly relations with any foreign nation may in his judgment require it. SEC. 11. _And be it further enacted_, That nothing in the foregoing act shall be construed to prevent the prosecution or punishment of treason, or any piracy or other felony defined by the laws of the United States. SEC. 12. _And be it further enacted_, That all acts and parts of acts inconsistent with the provisions of this act or inflicting any further or other penalty or forfeiture than are hereinbefore provided for. The acts forbidden herein are hereby repealed. POPULATION OF THE UNITED STATES. STATES. 1850. 1860.