Has to do with their economic conditions
The South East Asia Treaty Organization or SEATO was created in part of the outcome of the Korean War. SEATO is an international organization that aims to have a collective defense. The treaty was signed in Manila, Philippines in September of 1954. The answer would be letter B.
<span> Geographic expansion exposed latent tensions over the morality of slavery and the balance of economic power. It was during the Era of Good Feelings that the political issues arose that would dominate American politics for the next 40 years.</span>
Invasions of people--many of the groups came as military and fought the Romans as invading forces.
Counterclaim--they were migration patterns as they were attempting to gain access to an empire with advanced trade and education. Migrating to the Roman Empire gave a person or group with extra resources.
