He started to observe, reconnoiter means to make a military observation of something so he throughly examined the corridors.
The answer is B I hope this help
Every 4th of July, almost all American cities sponsor a fete that includes a fireworks display to celebrate American independence.
A fete is a French word which basically means a celebration, party.
Answer:
A primary source is an original document containing firsthand information about a topic. Different fields of study may use different types of primary sources. A secondary source contains commentary on or discussion about a primary source.
Explanation: