57. What is the executive head of a city government called? ( Click ) 57A. ( Click ) 58. What holiday was celebrated for the first time by the American colonies? ( Click ) 58A. ( Click ) 59. Who was the main writer of the Declaration of Independence? ( Click ) 59A. ( Click ) 60. When was the Declaration of  Independence adopted? ( Click ) 60A. ( Click ) 61. What is the basic belief of the Declaration of Independence? ( Click ) 61A. ( Click ) 62. What is the national anthem of the United States? ( Click ) 62A. ( Click ) 63. Who wrote "the Star-Spangled Banner"? ( Click ) 63A. ( Click ) 64. Where does freedom of speach come from? ( Click ) 64A. ( Click ) 65. What is the minimum voting age in the United States? ( Click ) 65A. ( Click ) 66. Who signs bills into laws? ( Click ) 66A. ( Click ) Go to the next page of questions.