句中的 State of the Union addresses 什么意思?

题目

句中的 State of the Union addresses 什么意思?
Jamming has been approved in the past for major events, ranging from State of the Union addresses to visits by certain foreign dignitaries

答案

addresses（复数）有称呼,头衔的意思
the Union大写表示美国
State(大写)美国国务院
State of the Union addresses
即：美国国务院头衔