Answer:
The Qing Dynasty collapsed in the early 1900s due to corruption, peasant unrest, ruler incompetence, and population growth which led to food shortages and regular famine
Weimar Constitution adopted in Germany
Thomas Jefferson's greatest contribution to the American revolution was that he <span>drafted declaration of independence.</span>
The Umayyads were the first Muslim dynasty to achieve success after caliph rule.
I believe the answer is pointed arches, correct me if I'm wrong.
Romanesque architecture has thick stone walls, small windows, and rounded arches. I do not believe they have any pointed arches. As you can see in the photo attached there are all of the above, except pointed arches.
Hope this helps!