28. Was a President of the United States ever impeached? 29. Were the claims for indirect damages in the Alabama claims allowed? 30. Did Calhoun favor the Compromise of 1850? 31. Did Thaddeus Stevens favor the Fifteenth Amendment to the Constitution? 32. Did Lincoln favor the social equality of the white and black races? 33. Did Grant favor the Tenure of Office Act? 34. Did Lee make more than one attempt to invade the North? 35. Was the "Ohio Idea" ever strong enough to affect legislation? 36. Did Spain have any part in calling out the Monroe Doctrine? 37. Has the United States any control over the debts of Cuba? 38. Has a joint resolution ever been used to acquire territory other than that included in Texas? 39. Has the United States ever resorted to a tax on incomes? 40. Has the Federal Government ever attempted to restrict the power of the press? 41. Is it illegal to-day for a railway to give a cheaper rate to one shipper than to another? 42. Has the Republican party ever reduced the protective tariffs of the war? 43. Did the Civil Service Act passed in 1883 include postmasters? 44. Did the Wilson-Gorman Act reduce the tariff to a revenue basis? 45. Can a railway engaged solely in intra-state business carry a case, involving a reduction of their rates by the State legislature, to the Supreme Court of the United States? 46. Is Utah a part of the Louisiana Purchase? 47. If the mint ratio is 16 to 1 and the market ratio is 17 to 1, will the gold dollar be the standard if there is full legal tender and free coinage for both gold and silver? 48. Is the Canadian frontier fortified? 49. Are the functions of government in this country increasing? 50. Is it possible for a man to be defeated for the Presidency if a majority of the people vote for him? The great disadvantage of this kind of review is that the students have for their answer a choice between two words, one of which is bound to be correct. Knowing nothing whatever of the subject, they will still stand a fifty per cent chance of answering correctly. The alert teacher should be able to reduce this haphazard answering to a minimum, while still reaping the advantages of rapidity and thoroughness which the plan possesses. Few other methods will cover as much ground in as short time. On the Federal Constitution there are infinite possibilities for "yes and no" questioning, which afford a brief and effective means of review in the principles of American government. _They will secure fluency_