Read the excerpt from "Hokusai's The Great Wave” by Neil MacGregor. Here’s a snatch of the letter from the president of the United States that Perry delivered to the Japanese emperor: Many of the large ships-of-war destined to visit Japan have not yet arrived in these seas, and the undersigned, as an evidence of his friendly intentions, has brought but four of the smaller ones, designing, should it become necessary, to return to Edo in the ensuing spring with a much larger force. But it is expected that the government of your imperial majesty will render such return unnecessary, by acceding at once to the very reasonable and pacific overtures contained in the president’s letter . . . This was textbook gunboat diplomacy, and it worked. Japanese resistance melted, and very quickly the Japanese embraced the new economic model, becoming energetic players in the international markets they had been forced to join. They began to think differently about the sea that surrounded them, and their awareness of the possible opportunities in the world beyond grew fast. What type of outside source does MacGregor use in this excerpt? a college textbook a newspaper article a historical letter a Japanese website

Asap plz which sentence from this excerpt of jefferson davis’s inaugural address indicates that secession was the confederacy’s way of reclaiming its legal powers? an agricultural people, whose chief interest is the export of a commodity required in every manufacturing country, our true policy is peace, and the freest trade which our necessities will permit . . there can be but little rivalry between ours and any manufacturing or navigating community, such as the northeastern states of the american union. it must follow, therefore, that a mutual interest would invite good will and kind offices. if, however, passion or the lust of dominion should cloud the judgment or inflame the ambition of those states, we must prepare to meet the emergency and to maintain, by the final arbitrament of the sword, the position which we have assumed among the nations of the earth. we have entered upon the career of independence, and it must be inflexibly pursued. through many years of controversy with our late associates, the northern states, we have vainly endeavored to secure tranquillity, and to obtain respect for the rights to which we were entitled. as a necessity, not a choice, we have resorted to the remedy of separation; and henceforth our energies must be directed to the conduct of our own affairs, and the perpetuity of the confederacy which we have formed. if a just perception of mutual interest shall permit us peaceably to pursue our separate political career, my most earnest desire will have been fulfilled. but, if this be denied to us, and the integrity of our territory and jurisdiction be assailed, it will but remain for us, with firm resolve, to appeal to arms and invoke the blessings of providence on a just cause . .