QUES: Q: In which Era was this finding most significant?
A: As a result, this practice was the empirical beginning of using pre-emphasis above 1,000 Hz in 78 rpm and 33 13 rpm records.
Does the answer answer the question?

ANS: no

QUES: Q: What did the Allies invade after they conquered North Africa?
A: But while Eisenhower argued with President Roosevelt and British Prime Minister Churchill, who both insisted on unconditional terms of surrender in exchange for helping the Italians, the Germans pursued an aggressive buildup of forces in the country making the job more difficult, by adding 19 divisions and initially outnumbering the Allied forces 2 to 1; nevertheless, the invasion of Italy was highly successful.
Does the answer answer the question?

ANS: no

QUES: Q: What did Omar Pasha finally reach on December 2nd 1855?
A: By 2 December he had reached the Tskhenis-dzqali, the rainy season had started, his camps were submerged in mud and there was no bread.
Does the answer answer the question?

ANS: yes

QUES: Q: What was the main problem the Qing had in preventing invasion from Europe?
A: Historians have judged the Qing dynasty's vulnerability and weakness to foreign imperialism in the 19th century to be based mainly on its maritime naval weakness while it achieved military success against westerners on land, the historian Edward L. Dreyer said that "China's nineteenth-century humiliations were strongly related to her weakness and failure at sea.
Does the answer answer the question?

ANS:
yes