Answer:
Sponges were among the earliest animals. While chemical compounds from sponges are preserved in rocks as old as 700 million years, molecular evidence points to sponges developing even earlier.
The evacuation of Dunkirk
Zachary Taylor was the future US president who won the battle of buena vista in 1847 during the Mexican-American war against Mexico. He was the 12th president who died within 16 months into his presidency before he could make any true presidential progress.
Atlantic coast cities
Mediterranean cities
Southern Europen cities
Scandinavian cities
Country capitals
The columbian exchange is quite important. This "event" was named after Christopher Columbus and this was used to transfer plants, animals, some culture products or what people used, technology, and pretty much the very basic yet important key things that many people needed. These were all exchanged from America to West Africa, and I believe the Old world. I can't really get the times. But this is the basic information needed.
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