Which were the two main political parties from the 1830s to the 1850s? Prominent leaders in one party included Andrew Jackson and Martin Van Buren. Prominent leaders in the other party included Henry Clay, Daniel Webster, William Henry Harrison, and Zachary Taylor. A. Democrats and Whigs B. Federalists and Jeffersonians C. Democrats and Democratic-Republicans D. Republicans and Democratic-Republicans

Which of the following is an example of proximodistal pattern of growth? (a) abbey learning to sit first before learning to stand or crawl (b) alex learning to move his eyes before learning his first words (c) colin learning to stare at moving objects before trying to touch them with his hands (d) polly learning to grab the objects with her whole hands before learning to pick them up with her fingers