In S-A-L-U-T-E report format, the S is stand for : Size
This report of format is made to create the observation about the enemy.
In this case, size refer to the amount of troops and the strength that the opponent might have. We need this information to determine the strategy that will use to anticipate or commemorating the offense.
The answer is mesosystem. The mesosystem is the second level
of Bronfenbrenner's ecological systems theory. The mesosystem consists of
interactions between two microsystems. Like microsystems, mesosystems affect
the child directly. That is, the child is actively able to engage and socialize
with others in the mesosystem.
A Blockade is a wall of ships that can form a wall to prevent passage to another country (Normally used in war to 'starve' the enemy!).