According to the united states' 1907 gentleman’s agreement with japan,

the japanese government would stop issuing passports to citizens intending to immigrate to the us.
the japanese government would only issue 5,000 passports per year to citizens intending to immigrate to the us.
the us government could revoke the citizenship of japanese immigrants already settled in the us.
the us government could refuse to grant passports to american citizens intending to immigrate to japan.

The correct answer is the Japanese government would stop issuing passports to citizens intending to immigrate to the US.

Explanation: It was an informal agreement between the United States of America and the Empire of Japan, under which the United States would not impose restrictions on Japanese immigration and Japan would no longer allow emigration to the United States.

According to the United States' 1907 Gentleman’s Agreement with Japan,  the Japanese government would stop issuing passports to citizens intending to immigrate to the US.

Explanation:

In America there was a growing unrest between the American and Japanese immigrants. To put an end to the growing tension between these two countries over the immigration of worker then president of the United States of America Mr. Theodore Roosevelt has initiated an agreement between the two governments.

An agreement was made in the year 1907 between the king of Japan and the president of the USA where the Emperor of Japan agreed to stop further immigration of Japanese workers and the USA has imposed certain sanctions on immigration. This agreement is also called a Gentleman’s Agreement.

c.) the country needed a stronger central government.