Which province has no minerals

Before world war 1 started, austria-hungry was wary of (spain or serbia) because of border disputes

How have a past president and our current president abused the powers granted to the president of the united states by the constitution and the people ?

What is the main difference between primary and secondary sources? a. primary sources are historical documents, and secondary sources are modern-day documents. b. primary sources are derived from museums and archives, and secondary sources are created by history students and academics. c. primary sources are found in ancient places with a rich history, and secondary sources are found in historical journals and blogs. d. primary sources are created during a particular historical era, and secondary sources are created by studying primary sources.