Answer:
Explanation:
While every case is unique, the most common causes of train accidents include: Negligence. Human error. Reckless pedestrians and drivers.
...
Negligence. ...
Human Error. ...
Reckless Pedestrians & Drivers. ...
Mechanical Failure. ...
Speedy Trains. ...
Defective Tracks. ...
Derailments. ...
Unprotected railroad crossings.
The correct answer is "provide for the common defence."
According to the Preamble of the U.S Constitution, the aforementioned part about providing for the common defence actually means that the nation should be well prepared against foreign interventions of any kind.
This kind of preparation does not only refer to military preparation but also refers to protecting the country at any costs from external forces.
<span>Encrypted data has a key, so the people who are authorized to see it can access it. If a person leaves the key unsecured, whether in physical form or in their computer system, an unauthorized person could come into possession of the key and access the data. A physical parallel is if you left your car key in the ignition, anyone could come along and take your car.</span>
A process that uses observation and experimentation to gain knowledge is called science. The organized set of investigation procedures which is used in science is called a scientific method. Applied science on the other hand is referred to as technology.