The problem of unemployment is emasculating our youth from making concrete innovations.

Answer: Option D

Hindering : make it difficult for (someone) to do something or for (something) to happen.
Pressurizing : produce or maintain raised pressure artificially in (a gas or its container).
Encouraging : giving someone support or confidence; supportive.
Weaken : make or become weaker in power, resolve, or physical strength.
Emasculating : make (someone or something) weaker or less effective.

Synonym of Emasculating is Weaken