Eight-month-old Marcy has learned to push buttons on a toy to get it to make funny sounds. Now the toy has been changed so that she must turn the buttons to hear the sounds. The learning this requires would be considered an example of a(n) .

there is an explationation of this on a site called crash   course world history 1

the secretary of state, appointed by the president with the advice and consent of the senate, is the president's chief foreign affairs adviser. the secretary carries out the president's foreign policies through the state department and the foreign service of the united states.

american political culture includes a plenty of focus views and preferences. not all westerns experience the same opinions, of course, but the large preponderance promises to these general ideas, including equality, justice, freedom, individualism, integrity, and difference.

the united states is a democratic republic. residents elect representatives to governmental, nation, and local administration; those deputies create the regulations that command u.s. community. although emptiness in u.s. law needs it, in usage, the administrative system is ruled by executive factions.

answer; formal diagnosis (vera wand formal dress);