Answer: The phrase "urgently called secret cabinet meeting" refers to a meeting of the highest level government officials that was scheduled quickly and in secrecy. A cabinet meeting is typically a gathering of ministers or top-level officials who advise the head of government on important matters. If the meeting is described as "secret," it means that the proceedings and discussions are kept confidential and not disclosed to the public. If the meeting is "urgently called," it implies that there is a pressing matter that requires immediate attention and decision-making, and that the meeting was scheduled quickly to address this issue. In this context, an "urgently called secret cabinet meeting" would suggest that there is a sensitive matter that requires the attention and decision of top-level government officials, and that the meeting was scheduled with a sense of urgency and in strict confidentiality.
Explanation: In this context, the "urgently called secret cabinet meeting" refers to a meeting of the highest level government officials in the United States that was scheduled quickly and in secrecy. The meeting was likely held to discuss and make decisions about the diplomatic relations with Japan and the ongoing negotiations. The fact that it was "urgently called" implies that there was a pressing matter that required immediate attention and decision-making, and that the meeting was scheduled quickly to address this issue. The reference to the "urgently called secret cabinet meeting" suggests that the situation was deemed to be of significant importance and urgency, and that the decisions made in the meeting would likely have significant impact on the diplomatic relations with Japan.