Commercial areas in a city are areas, districts, or neighborhoods primarily composed of commercial buildings, such as a strip malls, office parks, downtown, central business district, financial district, "Main Street", or shopping centers. Commercial activity within cities includes the buying and selling of goods and services in retail businesses, wholesale buying and selling, financial establishments, and a wide variety of uses that are broadly classified as "business." While commercial activities typically take up a relatively small amount of land, they are extremely important to a community's economy. They provide employment, facilitate the circulation of money, and often serve many other roles important to the community, such as public gathering and cultural events.
The answer to your question is gunpowder weapons.
siege warfare.
armored cavalry.
Hoped I Helped!
These difficulties range from navigating legal complications to understanding complex transportation systems, securing living arrangements and employment, and battling culture shock, psychological distress, depression and despair. While large-scale immigration created many social tensions, it also produced a new vitality in the cities and states in which the immigrants settled. The newcomers helped transform American society and culture, demonstrating that diversity, as well as unity, is a source of national strength. The tensions could decrease some say that if the population of immigrants were smaller that they would have less problems. Most people don't mind at all today. Welcoming refugees is not just a lifesaving humanitarian gesture at a time when more people worldwide are uprooted by war and crisis than ever before. Refugee resettlement also enriches our economy and enhances our national security. The United States has long offered safe haven to people fleeing violence, tyranny and persecution.
But as the administration lowers the number of refugees allowed into the country, American values, tradition and interests are at stake.
