Nếu vũ trụ không tồn tại không gian thì sẽ như thế nào

If there were no system of checks and balance,the process of government would eventually fall apart. do you agree with this opinion? why or why not?

Which factor contributed to the rise of african empires such as ghana and mali?

An individual who is experiencing a prolonged period of stress would likely have levels of circulating than an individual who was not experiencing stress.