Ma Zhaoxu pointed out that the current international security situation is undergoing complex and profound changes, and the United States has become the world's largest factor of instability. In particular, the United States pursues "strength first", develops military forces in all directions, seeks unilateral security advantages, frequently "discards" and "retreats", engages in unilateralism, renders competition among major powers, and publicly regards China and Russia as its main strategic competitors. Try hard to curb and suppress. These actions of the United States not only undermined the international arms control system established after World War II, but also seriously affected global strategic stability.crypto mining calculator,