The fundamental modernization of ribbed groin vaults in Gothic cathedrals was to accommodate stained glass window. The ribbed groin vault is the connection of two or three barrel vaults yields a rib vault or ribbed vault when they are bordered with an armature of piped masonry often engraved in decorative patterns and associate groin vault is an older custom of vault structure.
Answer:

Explanation:
In the 1800s, lots of change was occurring in the United States.
- The rise of factories and industrialization expanded the textile industry. It needed more cotton.
- The invention of the cotton gin helped meet the demand for cotton. It made production faster and cheaper.
- The demand for cotton continued to increase, so plantation owners continued to expand their land and grow more.
However, they couldn't expand forever without touching Native American land. So, the Indian Removal Act was passed in 1830. It <u>forced</u> the Natives off their land and into reservations west of the Mississippi River. Their sacred lands became plantations.
Based on this information, the best answer choice is <u>A. Relocate American Indians and to provided land for white settlers</u>
Answer:
Political maps contains north direction, key and scale of map
Explanation:
Map is the two-dimensional representation of the earth showing its various features and locations along with proper latitude and longitude. It has different types of maps, of which the physical maps are widely used. Political maps are those maps in which the countries are separated by distinct boundaries. It is widely used to determine the location of any particular place on earth. It highlights the countries with different colors with various colors excluding blue because the blue color is used to represent the water bodies on earth.
These political maps are comprised of keys, the north direction and the scale of the map.
to keep enemys and predators
Explanation:
Allowes US govermenr to arrest and deport all aliens who are citizens of countries that are at war with the US