<Ul> <Li> Constitution of the Kingdom </Li> <Li> Constitution of the Republic </Li> <Li> Constitution of the Empire </Li> <Li> Constitution of the Late Empire </Li> <Li> Senate </Li> <Li> Legislative assemblies </Li> <Li> Executive magistrates </Li> </Ul> <Li> Constitution of the Kingdom </Li> <Li> Constitution of the Republic </Li> <Li> Constitution of the Empire </Li>

Why did the roman empire experience a decline in agriculture