Finally, in 1380, Hongwu had Hu and his entire family arrested and executed on charges of treason. Using this as an opportunity to purge his government, the emperor also ordered the execution of countless other officials, as well as their families, for associating with Hu.
The answer is a. the emphasis on peaceful resolution
He was leading the firs expedition to circumnavigate the globe. But he died on the way on 15 April 1521.
It lagged because of the bubonic plague
