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.

Each year, millions of people are climbing out of poverty, helped in part by smart aid projects aimed at stimulating development at the grassroots level. Many of them turned their lives around with the help of microcredit agencies, a rapidly growing movement that has enabled some 2 million poor families in dozens of nations to start and expand small businesses.
The （） of microcredit agencies.