In the 1964 election the PNC received about 40 percent of the vote and had to govern in coalition with a political party called the United Force UF which represented conservative elements of Guyanese society such as business and the Catholic Church Burnham not only was a socialist but he was also quite authoritarian

What is the correctly punctuated version of this sentence?
In the 1964 election the PNC received about 40 percent of the vote and had to govern in coalition with a political party called the United Force (UF) which represented conservative elements of Guyanese society such as business and the Catholic Church. Burnham not only was a socialist but he was also quite authoritarian.