Complex sentence: For the first time in the tournament's history, all rounds were held in the United States in an effort to reduce the cost of the tournament after the discontinued sponsorship by Barclays and to keep the tournament from being suspended for a year.
Split into simpler sentences: For the first time in the tournament's history, all rounds were held in the United States. This was done in an effort to reduce the cost of the tournament after the discontinued sponsorship by Barclays and to keep the tournament from being suspended for a year.