Which of the following did NOT allow European powers to colonize most of the African continent? A ) Adavancements in weaponry
B )Advanements in medicine
C. Advanements in transportation
D Advancements in political systems

Two books are used to model tectonic plates

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Why was the sixteenth amendment important to woodrow wilson’s efforts to regulate the economy? a) the sixteenth amendment lowered interest rates charged by banks. b) the sixteenth amendment allowed congress to levy an income tax c) the sixteenth amendment lowered tariffs on imported goods d) the sixteenth amendment allowed congress to break up monopolies