The correct answer is D. Taxation without representation is still and issue to this day because Texas is one of the states left to permit this practice. Slavery was abolished in Texas in 1860 , after the revolution.
It is A ( separation of powers)
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Answer: Tanks and military-grade planes
Explanation: Imperialism was about almost everywhere in Europe at the time and around that time most European countries had territories in Africa which lead to constant fighting for the land there. What this lead to was intense fights between nations by them creating proxy wars (militias/Rebel groups) to fight against each other which were being supplied by that country that wants more land for them self. With that it lead to Archduke assassination which lead countries to declare wars on one country which then would mean they would declare war on multiple countries in realty because countries would ally each other and the domino effect went down hill from that. So Archduke assassination was just really a "reason" to fight with another nation for more land (resources).
The group that was formed in opposition to the INC was called the sons of liberty