भाषा अर्जन सिद्धांत के अनुसार, जब भाषा इनपुट में पर्याप्त जानकारी का अभाव होता है, तब एक सार्वभौमिक व्याकरण (universal grammar) होता है जो सभी पर लागू होता है:

The Dandi March, also known as the Salt Satyagraha, was led by which influential leader?

Which act formally granted independence to India, marking the end of British rule?

Who was the key figure in establishing the Indian National Congress?