<span>In the Jacksonian party system, congressional caucuses were replaced by party conventions for nominating presidential candidates. The Jacksonians are sometimes called the second party system; it is created around 1824 by Andrew Jackson who has his first run for the presidency. The party convention was created to replace the caucus.</span>
His discovery of the role of oxygen. He recognized and named oxygen and hydrogen and opposed the phlogiston theory. He helped construct the metric system, wrote the first extensive list of elements, and helped to reform chemical nomenclature.
Answer:
A constant and rapid fall of volcanic ash from a large eruption is ideal for preserving what exists upon the land at the time of deposition. So you see we should even preserve the things. It can bury them intact without moving them and without completely crushing or burning them.
<h2>
The Industrial Revolution</h2>
Cause: They made prices cheaper
Effect: Now the middle class are able to get food, clothes and houses
Cause: Production work increased
Effect: More people could get jobs
Another effect: However, as more production work increased people had to do work every day with no break, if you were sick you had to work or else someone else would take the job from you.
Cause: There was no sanitation, they would butcher meat with rats in the room with them. There was no clean water, no soap, no things to clean places.
Effect: A lot of people would get sick and get diseases.
I will finish the rest soon