9. I believe is A. 10. I believe is C. And 11. I believe isD.
Answer:
This allowed the chiefs to not meet and form alliances against him. Meanwhile, he continued to invade the desired territories.
Explanation:
by separating the properties of the Chiefs, Kamehameha prevented them from uniting, forming alliances and managing to prevent him from achieving his goals. This was an insightful strategy, which managed in an exemplary way to reduce the risks of defeat for Kamehameha, in addition to stimulating his advance within the desired territories.
19th century: The American expansion was guided by the concept of <em>Manifest Destiny</em>, being that the people of the time believed it was their fate to expand and colonize the rest of the territory (that became what is now the U.S.), whilst pushing forward their virtues and institutions, with the urge to do so being irresistible to them.
20th century: The expansion of this period (that actually started in the final years of the century before) was called <em>Imperialism</em>, where the idea of gaining overseas territories, expanding American influence on international market by expanding their industry and trade.
Similarities and differences: In both periods there was an interest in expanding American territories, although the ideologies behind those movements where different: in the former the belief of forming a great country through force of will was their core motive; conflicts with other nations and cultures were consequences rather than the motif. In the later the economic and power interest where the reasons for doing so; the expansion had many morally questionable sub-tones, such as racism and an exaggerated me-before-you approach to all, with conflict and war being promoted by one president of the time (Theodore Roosevelt).
President Polk wanted California but knew Mexico would not agree to sell it and his only avenue was to start a war (knowing the US would win it).