Lesson Steps:

contend = verb (used without object)
1.
to struggle in opposition:
to contend with the enemy for control of the port.
2.
to strive in rivalry; compete; vie:
to contend for first prize.
3.
to strive in debate; dispute earnestly:
to contend against falsehood.
verb (used with object)
4.
to assert or maintain earnestly:
He contended that taxes were too high.
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grave = noun
1.
an excavation made in the earth in which to bury a dead body.
2.
any place of interment; a tomb or sepulcher:
a watery grave.
3.
any place that becomes the receptacle of what is dead, lost, or past:
the grave of unfulfilled ambitions.

moral = of, relating to, or concerned with the principles or rules of right conduct or the distinction between right and wrong; ethical:
moral attitudes.
2.
expressing or conveying truths or counsel as to right conduct, as a speaker or a literary work.
3.
founded on the fundamental principles of right conduct rather than on legalities, enactment, or custom:
moral obligations.
4.
capable of conforming to the rules of right conduct:
a moral being.
5.
conforming to the rules of right conduct (opposed to immoral ):
a moral man.
6.
virtuous in sexual matters; chaste.
7.
of, relating to, or acting on the mind, feelings, will, or character:
moral support.

Answer:

moral, grave, contend

moral= of, relating to, or concerned with the principles or rules of right conduct or the distinction between right and wrong; ethical:
moral attitudes.

grave = an excavation made in the earth in which to bury a dead body.

contend = to struggle in opposition:
to contend with the enemy for control of the port.

Grade: 6
Level: Middle school
Subject: Science
Topic: History