Update on security outside theatre, policeman comments

The video begins with a reminder to subscribe to the channel, followed by a discussion on the American subway system. The latter part of the video features a repetitive pronunciation of the word 'America' in Russian.

What is the Japanese phrase mentioned at the beginning of the text?

How many times is 'アメリカの地下鉄' mentioned in the text?

What are the different ways 'アメリカ' is written in the text?

What is the significance of the repeated mention of 'Америка' in the text?

Discuss the possible reasons for the variations in the spelling of 'America' in the text.