The second president of the USA is John Adams.
Answer:
Fossil documents the existence of now extinct species, showing the different organism have lived on earth during different periods of the planet's history. They can also help scientists reconstruct the evolutionary histories of present-day species.
They were hindered by economic development and lack of enforcement, so I'd say 1. Cost, because no one would pay for it.
1. <span>The Allies free North Africa from Nazi control.
</span>2. <span>Hitler loses Paris to the Allies.
</span>3. <span>Benito Mussolini falls from power.
</span>4. <span>The Soviets capture Belarus and parts of Poland.
</span>5. Nazi forces and the Soviet army have a final showdown in Berlin.
6. <span>The Allies liberate the Philippines from Japanese control.
</span>7. The Soviet Union declares war on Japan and attacks Manchuria