 Complete the following phrase:  About 6,000 Russian Mennonites, who came originally from Northern Germany and the Netherlands, migrated from Canada to northern Mexico in the 1920s. Today, there are about 115,000 practicing descendants of Mennonites in Mexico, who have preserved the Plautdietsch dialect and maintained their self sustaining agricultural and religious practices on their properties. By their communitys rules, German Mexican Mennonites are allowed to speak Spanish primarily for the purposes of business, culture, and, on occasion, finding spouses. Several mennonite colonies have historically been victim to religious fervor, notably during the 