Answer: Primary source
Explanation: Primary sources include: letters, maps, paintings and TOOLS.
Many aspects of Roman law and the Roman Constitution are still used today. These include concepts like checks and balances, vetoes, separation of powers, term limits, and regular elections.
The correct one should be <span>Merchant steamships</span>
9 states were needed to ratify the Constitution to put it into effect.
After assessing the situation, Necker insisted that Louis XVI call<span> together the</span>Estates-General<span>, a French congress that originated in the medieval period and consisted of three </span><span>estates</span>