Answer:
The positive and negative outcomes of the  establishment of the Dual Monarchy is described below in detail.
Explanation:
Positive:
- Dual monarchy happens when two separate countries are governed by the same monarch, reflect the same foreign plan, endure in a system associated with each other, and have a merged military but are differently self-regulatory. ... A dual monarchy is not significantly a personal union.
Negative:
- The division continued among different countries.
- Ethnic minorities experienced little benefit.
