Were there more positive or negative changes in Christianity between 500AD and 1600 AD?

Book to use(only):”Western Civilization”Volume 1, Brief third edition(Joshua Cole,Carol Symes,Judith Coffin,Robert Stacey). It should be based on the primary source readings and artistic images (not maps.They cover the period of the so-called “Middle Ages.”It should be a critical and analytical synthesis of at least THREE primary source readings (“Competing Viewpoints” & “Analyzing Primary Sources” sections). Another option is to use TWO READINGS from those sections & TWO IMAGES (NOT MAPS) from the textbook OR ONE READING from those two sections & FOUR IMAGES (NOT MAPS) from the textbook OR just SIX IMAGES (NOT MAPS) from the textbook. The section “Interpreting Visual Evidence” contains only images and editor’s notes. Only the sources in “Competing Viewpoints” & “Analyzing Primary Sources” sections are legitimate readings. Editorial notes introduce the primary source readings and images but DO NOT count as primary source readings. DO NOT use white pages in the textbook, any other books or websites.It should organize evidence to show change over time instead of jumping back and forth to the examples belonging to different time periods.
• • It should have a clear structure (the opening sentence with a straightforward thesis statement which briefly answers the question and serves as a “roadmap” of your argument supported with appropriate evidence in the rest of the essay, and a conclusion which summarizes your main points without copying your thesis statement).