How did portugal come to claim the land later know as brazil

What were the main features of the aristotelian-ptolemaic model of the cosmos

List two inventions that were invented in the united states before the american civil war

Which of the following problems did shays rebellion show about the articles of confederation? a. there was no federal standing army b. states couldn’t create their own tax laws c. the federal government imposed too many taxes on states d. there was too much federal regulation of interstate commerce