The concept of nullification is a "legal theory that a state has the right to nullify, or invalidate, any federal law which that state has deemed unconstitutional with respect to the United States Constitution (as opposed to the state's own constitution)."
Hernán Cortés was a Spanish conquistador, or conqueror, best remembered for conquering the Aztec empire in 1521 and claiming Mexico for Spain. He also helped colonize Cuba and became a governor of New Spain.
"Like many explorers we know about today, Hernán (also known as Hernando) Cortés's role in the Age of Exploration was influential but controversial," said Erika Cosme, Administrative Coordinator of Education and Digital Services at The Mariner’s Museum and Park in Newport News, Virginia. "He was a smart, ambitious man who wanted to appropriate new land for the Spanish crown, convert native inhabitants to Catholicism, and plunder the lands for gold and riches."
The correct answers are A) It accelerated migration to the West Coast and D) It added an additional slave state to the country.
The discovery of gold in California impacted western expansion in that it accelerated migration to the West Coast and it added an additional slave state to the country.
After the United States purchased the Louisiana territory in 1803, US President Thomas Jefferson ordered the exploration of the new territories with the Lewis and Clark Expedition. Two years later, both explorers delivered the results of their exploration and President Jefferson supported the occupation of those lands. So the westward expansion started. Thousands of people started to move west using the Oregon Trail to fulfill the Manifested Destiny.