When an incident includes a breach of physical security, all aspects of physical security should be escalated under a containment strategy known as a. isolation b. block c. disablement d. lockdown?

What was the direct cause of the u.s. entry into world war ii? a. the bombing of pearl harbor b. the invasion of poland by germany c. the capture of belgium by germany d. the battle of britain

Which of the following was a key accomplishment of the people of songhai? a. they had a strong military and became the largest empire in west africa. b. they established a center of islamic scholarship. c. they worked with iron and prospered from the gold-salt trade. d. they dominated in the trade of ivory, enslaved people, and animal skins.

The american public was excited by the invention of the railroad system. true false