The United States is one of the most powerful countries in the world, so for the United States, the slogan of free navigation has been used many times to monitor various countries, deter and threaten this country. So for the United States, this is not the only behavior. There are several ways for the United States to monitor other countries. The first is to take photos from high altitude through spy satellites, which is also a common way in many countries. Secondly, the CIA will infiltrate and undercover the eavesdropper in a large number to obtain information in this way. Finally, the American aircraft carrier invaded other countries under the slogan of free navigation.

The first is to take photos from high altitude through spy satellites, which is also a common way in many countries. In fact, the United States established the high-altitude newspaper network very early, and it is basically difficult to shoot down satellites flying in space. Therefore, it can only be monitored by hiding on the ground or by interfering with satellites.

Secondly, the CIA will infiltrate and undercover the eavesdropper in a large number to obtain information in this way. This is also known as the CIA, and CIA agents are basically pervasive. When the United States attacked Iraq, CIA agents carried out a large number of assassinations and counter-campaigns, which made the United States basically encounter no substantive resistance when attacking Iraq in the later period.

Finally, the American aircraft carrier invaded other countries under the slogan of free navigation. This is the most common way in America. After all, the United States is a famous naval power in the world. Therefore, the United States often unscrupulously provokes the territorial sovereignty of other countries by virtue of its powerful naval and air force strength.