instruction:
Given a passage and a question, find the answer to the question based on the passage. The answer should consist of only one word that lies in the span of only one of the sentences in the passage.
question:
Paragraph: Armed conflict began in 1775 . In 1776 , the Second Continental Congress declared the independence of the colonies as the United States of America . Led by General George Washington , it won the Revolutionary War with large support from France . The peace treaty of 1783 gave the new nation the land east of the Mississippi River ( except Canada and Florida ) . The Articles of Confederation established a central government , but it was ineffectual at providing stability , as it could not collect taxes and had no executive officer . A convention in 1787 wrote a new Constitution that was adopted in 1789 . In 1791 , a Bill of Rights was added to guarantee inalienable rights . With Washington as the first president and Alexander Hamilton his chief adviser , a strong central government was created . Purchase of the Louisiana Territory from France in 1803 doubled the size of the United States . A second and final war with Britain was fought in 1812 , which solidified national pride .
Question: when did we become the united states of america

answer:
1776


question:
Paragraph: Petrichor ( / ˈpɛtrɪkɔːr / ) is the earthy scent produced when rain falls on dry soil . The word is constructed from Greek πέτρα petra , meaning `` stone '' , and ἰχώρ īchōr , the fluid that flows in the veins of the gods in Greek mythology .
Question: what is the name for the smell of rain

answer:
Petrichor


question:
Paragraph: Set in 2010s Washington , D.C. , House of Cards is the story of Congressman Frank Underwood ( Kevin Spacey ) , a Democrat from South Carolina 's 5th congressional district and House Majority Whip . After being passed over for appointment as Secretary of State , he initiates an elaborate plan to get himself into a position of greater power , aided by his wife , Claire Underwood ( Robin Wright ) . The series deals primarily with themes of ruthless pragmatism , manipulation , and power .
Question: what does kevin spacey play in house of cards

answer:

Congressman