1. The country was under monocracy for decades, with all power concentrated in the hands of a single ruler.
这个国家在几十年里一直处于独裁统治下，所有权力都集中在一位统治者手中。

2. The transition from monocracy to democracy was a challenging process for the nation.
从单一统治制向民主制度的转变对于这个国家来说是一个艰难的过程。