Answer:
Early Christianity is the time period between the life of Jesus Christ and the early first century. This topic is important because early Christianity influenced the idea of schooling, inspiration of art and philosophy, influential prayer through politics and religion. Understanding early Christianity will help us understand present Christianity.
You didn't give the options for techniques, but I will explain to you what rhythm in a poem is.
Simply put, rhythm can be defined as the beat and velocity of a poem. Rhythm is created by a continuous pattern of 'stressed and unstressed' syllables in a line or verse of your poem. Rhythm can help to strengthen the application of words and ideas in a poem.