Answer:
1868 years
Explanation:
The Persians lost against the Greeks in 479 BCE (which stands for Before Common Era or Before Christ). On the other hand, the Serbs were conquered by the Turks in 1389 CE (Common, modern Era).
1914 to 1918 the official starting date was july 28th 1914 but the political buildup to the war started well before july
B. Horses and C. Diseases but mostly C
Explanation B muslim( I took the test its right)
External criticism is when historians check the validity of a source to verify whether or not it's authentic