What nomadic people converted to islam and caused europeans to begin the crusades

In the supreme court’s decision in korematsu v. united states, the court said that korematsu

President of the united states has scheduled a cabinet meeting today to discuss energy policy with specific focus on pollution and global warming. given what you know of the executive branch, which group of attendees would the president most likely expect to provide up-to-date information and expert insight during this meeting?

Plz quickly ! which of the following elements is not typical of an advanced society. a. cities b. science c. industries d. a nomadic lifestyle