WORLD HISTORY

Detailed explanation-1: -Learnt and learned are two different spellings of the past tense of the verb “learn, ‘’ which means “gain knowledge or skill” or “come to be able to do something.” The spelling tends to vary based on whether you use US or UK English: In UK English, “learnt” is standard. In US English, “learned” is more common.

Detailed explanation-2: -The third form of Learn is learned or learnt. The past participle and past tense of the verb “ to learn” are both referred to simply as “learned or learnt.”

Detailed explanation-3: -Both learned and learnt are correct forms of the past tense and past participle of the verb learn. Of the two, learned is far more commonly used in American English.