Expansion is 'the action of becoming larger or more extensive' so it's opposite would be decrease or decreasing which is 'make or become smaller or fewer in size, amount, intensity, or degree'
Explanation: A political crime best describes or refers to any illegal acts that are designed to undermine or go against an existing government and threaten its survival.
It made them more important and independent people in society. This was good for them because they needed to act on their own while their husbands and sons were off fighting in a war.