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(PUC-RS) A equação HNO3(aq) + NaHO(aq) → NaNO3(aq) +H2O(l) ΔH= -13,69 Kcal representa:a) um processo endotérmicob) a neutralização parcial do ácidoc) um processo em que há a liberação de calord) um processo não espontâneoe) uma reação de análise

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Which of the following was a guiding principle of United States foreign policy in the early 20th century?A. American intervention in the affairs of other countries was justified on the grounds of maintaining or restoring freedom for their inhabitantsB. American democratic ideals could best be spread to other countries by example at home C. American investment and trade abroad should be curtailed in favor of domestic production of petroleum, copper, coal, and iron oreD. The United States should focus on acquiring more territory to compete with European colonial powers on the world stage

Teddy Roosevelt helped to end the 1902 strike in the anthracite coal mines bya) using the military to force the miners back to work.b) passing legislation making the miners' union illegal.c) helping the mine owners to import strike-breakers.d) serving as a labor mediator to have the miners' union and mine owners come to a negotiated settlement guaranteeing the right of the miners to unionize.e) threatening to seize the mines and to operate them with federal troops.

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