Answer:
increasing green house concerns
Explanation:
<span>The economic and social crises chipped away at the foundations of Medieval society in the 1300s and 1400s. Wars raged constantly during this time. The conditions were ripe for great social changes.</span>
An advantage of local governments is that they are able to adapt to local needs and react more quickly to local problems than a central government could, & it is more likely to be more efficient to run services locally then manage them from the center.