21.   Throughout the nineteenth century the colonial powers made war on poorer countries in order to gain territory.

22.   We need a comprehensive strategy to wage war on poverty in our inner cities.

23.   We will work closely with our partners in foreign policy and in the war on international crime.

24.   What was the effect of the war on the labour supply?

25.   The U.S. took the lead in declaring war on terrorism.

26.   He declared war on the government and urged right-wingers to eliminate their opponents.

27.   The government has made a declaration of war on its enemies.

28.   We regard them as unnecessary creatures that do more harm than good.

29.   We continually wage war on them, for they contaminate our food, carry diseases, or devour our crops.

30.   These new messages are designed to inform, inspire and involve all Americans to participate in activities that will strengthen the nation and help win the war on terrorism.