Four planes were _____________________ and used to attack America and its citizens.

Which words means to breakdown, crumple or fall in?

People who work to help others such as police officers, fire fighters, and paramedics are known as _____________________.

Which word means in a way that shows care and mindfulness in one's work or duties?

Each year on September 11th a ______________ is held to remember those we lost and to celebrate the freedom we still have.

Which word means a gift, testimonial, compliment, or the like, given as due or in acknowledgment of gratitude or esteem?

Which word means something designed to preserve the memory of a person, event, as a monument or a holiday?

Which word means a native or naturalized member of a state or nation who owes allegiance to its government and is entitled to its protection?

A _________________ is a relatively tall building of many stories, especially one for office or commercial use.

Which word means a person who uses unlawful violence and intimidation, especially against civilians, in the pursuit of political aims?