DR Congo elections: What's at stake?

Nearly 40 million voters go to the polls for the next presidential election on the 20th of December in the DR Congo. Incumbent President Félix Tshisekedi is seeking a second, and final, five-year term in office. Do these elections matter and what's at stake?Also what are SDRs and how does the International Monetary Fund allocate them? Are they distributed fairly or not?And what's life like for journalists in Mozambique, following the assassination of a prominent journalist in Maputo?