Countries would want to keep or make nuclear or bio weapons to become world powers or have the upper hand against other nations without that kind of power
This sentence technically doesn't contain an error in verb-noun agreement, however the noun "each one" is odd here. It should be "everyone"
Answer:
Slaves are seen as a proprty acquired rather than as human; so they are used anyhow because the slaves master believe he has paid for the slave
Explanation:
The author of this excerpt reveals that the living conditions of enslaved people were mainly seen by there masters as another form of property they have acquired rather than as human beings.
Slaves during this period are separated from each other i.e father, mother and children are sold separately to there owners.
The Gulf of Tonkin Resolution happened during Vietnam War, so the headline of the paper could only be during the Vietnam War.
The Union won the civil war in 1865.