Does the sentence "Ideas for affirmative action came as early as the Reconstruction Era (1865-1877) in which a former slave population lacked the skills and resources for sustainable living." provide a valid answer to the question "When did the Reconstruction Era end?"

A: yes

Does the sentence "Typically an antenna consists of an arrangement of metallic conductors (elements), electrically connected (often through a transmission line) to the receiver or transmitter." provide a valid answer to the question "What is frequently used to connect elements to the receiver?"

A: yes

Does the sentence "Also, in the particular case of a monopole antenna, the ground (or an artificial ground plane) serves as the return connection for the antenna current thus having an additional effect, particularly on the impedance seen by the feed line." provide a valid answer to the question "What is the radiation patter influenced by?"

A: no

Does the sentence "They are allocated a large suite of rooms known as the Belgian Suite, situated at the foot of the Minister's Staircase, on the ground floor of the north-facing Garden Wing." provide a valid answer to the question "Where do foreign heads of stay usually stay in Buckingham Palace?"

A:
yes