What is not part of a normal convection cycle?

What was the national government’s biggest concern if facing a war, under the articles of confederation? the national government had no national military. the country had grown too large to defend with a small army. the states would not back the federal government. there was no way the states would pay for fighting a war.

During the era of european expansion, what was the biggest reason for spain’s push for exploration?

What are some inventions during the han dynasty?