The first people that we know of were the Sumerian people, who became a civilization around 5000-35000 B.C.E
Answer:
A small land-locked country
Explanation:
A landlocked country shall face the greatest obstacle to development.
This is because by being landlocked, it cannot access the outside world.
No international business shall happen between the country and others, thereby no<em> foreign revenue</em> shall be earned by the country.
Access to a country is primary in its business dealings with other countries, thereby a landlocked country is an economically maimed country.