In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.

It was common for the Ernestine duchies to merge and split ; Ernest 's combined duchy was divided again after his death in 1675 , and the Duchy of Saxe-Gotha-Altenburg proper came into existence in 1680 with the completion of this division and the accession of his eldest son , Frederick to the subdivision centered on the towns of Gotha and Altenburg .
The duchy was split up again after Ernest ’ s death in 1675 , and the Duchy of Saxe-Gotha-Altenburg officially came into existence in 1680 when his eldest son , Frederick , took control of the parts of the country Gotha and Altenburg .

A multi-core processor is a computer processor integrated circuit with two or more separate processing units , called cores , each of which reads and executes program instructions , as if the computer had several processors .
A multi-core CPU is a computer processor which has two or more sections .

" Ballroom dance " refers most often to the ten dances of International Ballroom ( or Standard ) and International Latin , though the term is also often used interchangeably with the five International Ballroom dances .

There are ten international style ballroom dances , five " standard " ( or " modern " ) and five " Latin : "

