The paragraph is followed by an incomplete phrase or sentence which summarizes the main idea of the paragraph. Choose the missing words of the phrase or sentence.

Women's soccer is becoming more popular around the world. But in most places, women still have less training and financial support than male players. A program held every summer in Berlin aims to improve opportunities for women. It brings soccer clubs from Africa and the Middle East to Germany for a week of games and discussions.
A(an) （）in the popularity of womens soccer.