Which country became the first to suspend the use of the video-conferencing tool Zoom by teachers on Apr 11,2020?

Question

Accepted Answer

Singapore. Singapore is correct because it was the first country to suspend Zoom use by teachers on that date. Sri Lanka is incorrect because there is no information suggesting it suspended Zoom first. Malaysia is incorrect because it was not the first country to take this action. China is incorrect because it did not become the first country to suspend the tool.