Ottoman empire and austro-hungarian empire. both split after the war forming some new countires.
Both hated opposition and eliminated all forms of dissenting views.
Other words that go with the same meaning of common knowledge include Ongoing, existence, widespread, popular, etc.
The right answer is Germany.
Amid World War I, Germany endeavored to send the Zimmerman Telegram to Mexico. In this message, the Germans requested that Mexico attack the United States. The Germans asked of this since they knew whether the United States was battling with Mexico, they would not get engaged with World War I. This would build the odds of German achievement in this war.
The Zimmerman Telegram, nonetheless, was caught by partnered powers and given to the American government. In the wake of perusing this wire, the American government pronounced war on Germany, basically having the correct inverse result that the Germans were seeking after.
The best answer is option C. This option is the one that includes the information given in the original sentence, but summarized (avoiding giving extra information about what marine algae are, or using complicated grammatical structures.)
Option D is quite short, but summarizes the main idea of the original sentence without giving any extra information at all.
None of these two options (C and D) change the overall meaning of the original sentence, but one of them (C) gives the reader more information about the points mentioned in the original sentence ("<em>more than all of the earth plants and trees combined</em>"), different from the other option (D) which goes straight to the point thorugh the use of a simple sentence.