What were two successful ordinances created under the articles of confederation? what did the achieve?

When conducting research for forming a hypothesis, which practice should historians follow?

Explain how scientist from the scientific revolution and the catholic church tie together

Is the weather changing? consider the data of severe weather that includes tornadoes occurring throughout the u. s. over the last four years. compare the severe weather for the last three years. then compare the first three months of 2017 with that data. based on previous years, what might the prediction be for weather during 2017?