9. Which of the following is an example of an executive
agreement?
a. The president negotiates an agreement with China and
submits it to the Senate for ratification.
b. The president changes a regulation on undocumented
immigrant status without congressional approval.
c. The president signs legally binding nuclear arms terms
with Iran without seeking congressional approval.
d. The president issues recommendations to the Department
of Justice on what the meaning of a new criminal statute is.

The right choice is:

b. The president changes a regulation on undocumented

immigrant status without congressional approval.

Explanation:

The president can approve or order changes in the regulations about undocumented immigrants, as it is a function of the executive branch to enforce immigration laws. We have seen many recent examples in the Obama and the Trump administrations in the US. Nevertheless, some activists don´t agree with the changes and they have challenged many new regulations in courts.

answer: ensure protection from communism

explanation:

the north atlantic treaty was largely dormant until the korean war initiated the establishment of nato to implement it, by means of an integrated military structure: this included the formation of supreme headquarters allied powers europe in 1951, which adopted the western union's military structures and plans.