Trade helped ancient China developed by let them earn more money . They trade bronze, silk, weapons...
The correct answer is <span>autism spectrum disorder.
</span> Autism spectrum disorder (ASD) is defined as a developmental and neurological disorder characterized by a range of symptoms that are behavioral, social and speech related. Individuals suffering from ASD display behaviors and symptoms such as difficulties or awkwardness when <span>communicating with others, lack of eye contact, rigidity and repetitive behaviors. </span>
They decided they needed a railroad to be more efficient and to be able to compete with the states around them that already had the railroad.
Answer:
The city-states, or polis, really began as small agricultural communities. Over time, the population of these communities increased and the city-states evolved. They developed their own dialects of the Greek language. Some, like Sparta, developed into a large, complex community.
Explanation: