Police remove protesters' barricades; police pull protesters off rails

The video tutorial introduces a topic, provides an explanation, and concludes with how it fits well.

Can you infer any context or situation from the text provided?

What might be the implications of the statements made in the text?

What does the term 'mentioned' refer to in the context of the text?

What significance does '2nd.' hold in the text?

How does the phrase 'So it fits fine.' contribute to the overall meaning of the text?