| aggression |
an attack or war against a country started without good cause by another country. |
| audacious |
very bold or adventurous; daring. |
| audible |
heard or able to be heard. |
| chafe |
to abrade, irritate, or wear away by rubbing. |
| ecosystem |
a community of living things, together with their environment. |
| expansion |
the act or process of expanding, or the condition of being expanded. |
| heartland |
a central land area, especially one considered to be economically, politically, or militarily vital to a nation or region. |
| homicide |
the act of killing another person; murder. |
| passionate |
having or showing strong emotions. |
| perspective |
the way things are seen from a particular point of view. |
| reduction |
the amount by which a thing has been lessened or reduced. |
| scholarly |
of or appropriate to a student or a learned person. |
| spite |
the wish to hurt, bother, or embarrass a person. |
| suffrage |
the right to vote or the exercise of this right. |
| sullen |
silently showing anger. |