Feudalism was the system of rule during the medieval period. The liege lord granted land to a vassal in exchange for service and an oath of fealty. ... Additionally, feudal contractswere agreed upon in exchange for things other than military service, including produce, protection and salary.
Answer: War
Explanation: War was one factor in the decline of Rome.
Answer:
A. have negative effects on the environment
Explanation:
Although mining is important for the country's economy, the environmental impacts of mining are diverse, ranging from specific local problems to large biological, geomorphological, water and atmospheric changes. Therefore, to know these caused problems and the minimization of their effects is of great necessity to guarantee the preservation of the natural environments.
Extraction of wood also has a negative impact on nature, with the greatest impact being deforestation. The first consequence of deforestation is the impairment of biodiversity, because of the decrease or even the extinction of plant and animal species. Tropical forests have enormous biodiversity and are therefore priceless. Many species, which are still unknown to the urban-industrial society, may be the cure for diseases and can be used in food or as raw materials. With deforestation, there is a risk that these species will be destroyed before being discovered and studied. In addition, the desmatamente destroys the home of many wild animals that end up going to the urban centers and could cause some inconvenience to the population.
