Answer:
a framework of government unifying the original 13 colonies
Explanation:
the articles of confederation served as the united states' first constitution.
Answer:
The three rivers that flow into Lake Pontchartrain are Tangipahoa, Amite, and Tickfaw.
Answer:
Brass matrix
Explanation:
The linotype machine invented by Ottmar Mergenthaler, a German immigrant, later came to be known as an inventor in America. He invented the first mechanical typesetting machine that was able to use type metal to complete lines. This machine needed matrices, which consist of small brass pieces that have edges indented with characters that are grouped into lines to produce text.
The correct answer is Malaria
Malaria was a huge problem since it couldn't be treated and people mostly died from it. It prevented numerous explorers from venturing into places like Africa where Malaria was running rampant due to the huge amount of mosquitoes. When it was discovered, it enabled numerous people to live at ease because they could not live with the disease or prevent getting it.
