It should be D. because they blockaded the mississippi river.
<span>Based on his inaugural address, John F. Kennedy viewed responsibility as a core American value. Reading through his address, this is very obvious and the most famous quote he used in the address, "And so, my fellow Americans: ask not what your country can do for you; ask what you can do for your country." shows his core belief is responsibility of Americans.</span>
The Justinian Code
Emperor Justinian’s legacy to modern Europe is a legal code that organized Roman laws. Known as the Justinian Code, it brought together existing laws and codes in one place and as such codified the law making the justice process easier and fair
The Tyler and Polk administrations
Both administrations strongly supported American westward expansion.
John Tyler pressed for the annexation of Texas as a slave state during his administration (1841-45) and at the end of it, he signed a Texas annexation bill into law, which was admitted as a state in the first year of Polk's presidency.
James K. Polk, who ruled from 1845 to 1849, also supported American expansion to the point he led the U.S. into the Mexican-American War (1846-48) in which the U.S. gained what is today California and much of the present-day Southwest.