Complex sentence: During the 1920s, Evangelical Christians and Baptists were prohibited in the Soviet Ukraine; they were, to some extent, revived during and after World War II. In 1944, Baptists and Evangelical Christians united in the Church of Evangelical Christian Baptists (ECB).
Split into simpler sentences: During the 1920s, Evangelical Christians and Baptists were prohibited in the Soviet Ukraine. After persecution in the 1920s, they were, to some extent, revived during and after World War II. In 1944, Baptists and Evangelical Christians united in the Church of Evangelical Christian Baptists (ECB).