What do the words "further proceedings mean"?
You are keying on the wrong words. The operative phrase is "Consistent with this opinion" and the opinion of the court is the portion of the law we are discussing has been found to be consistent with what are thought to be the right of the State to secure it's borders.
Then explain what the "further proceedings" part of the "further proceedings consistent with this opinion" mean.
The operative phrase is "Consistent with this opinion"
The operative phrase is "further proceedings consistent with this opinion". So what does it mean???
and the opinion of the court is the portion of the law we are discussing has been found to be consistent with what are thought
"thought"???? -- thought by whom???? Only what the USSC thinks is important anymore.
to be the right of the State to secure it's borders.
You are completely mistaken. The USSC by this decision just said that the States have no such right, that only the Federales have the right to secure a state's border, or in this case, the right to not secure if it chooses.