<span><span>1. </span><span>Nullification doctrine is said that the
states residing within the Union is undocumented. Supposed Aliens and sedition
acts was passed to punish those who opposed the federal laws and regulations. However,
it was Thomas Jefferson who thought that this act may affect the Bill of Human
rights, so he decided to make an equally unconstitutional doctrine that states
if a government would implement a law, a state could refuse to follow it. John Calhoun, soon adapted the Nullification
doctrine</span></span>
Britain did not become part of the Byzantine Empire.
Answer:
The president uses the media to influence public opinion on policy through speeches or opinions issued through mass communication channels, such as television, social networks, radio or newspapers. In this way, they express their different opinions seeking to attract support from the citizenry, which will ultimately endorse or not the measures that the president is going to take.

Actually Welcome to the Concept of the history.
=> Potatoes and quinoa were among the unique crops; Camelids (llamas and alpacas) and guinea pigs were the unique domesticated animals.
=> The Incan civilization was predominantly agricultural. The Incas had to overcome the adversities of the Andean terrain and weather.
<span>a violent clash between proslavery and antislavery forces</span>