JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<script src="https://d3js.org/d3.v4.min.js"></script>
<html><body>

<form>
  <label><input type="radio" name="mode" style="margin-left: 10" value="step1" checked>1</label>
  <label><input type="radio" name="mode" style="margin-left: 20" value="step2">2</label>
</form>

<svg id = "bar" width = "500" height = "500"></svg>
</body>

JavaScript

var svg = d3.select("#bar"),
    margin = {top: 20, right: 20, bottom: 20, left: 20},
    width = +svg.attr("width") - margin.left - margin.right,
    height = +svg.attr("height") - margin.top - margin.bottom,
    g = svg.append("g").attr("transform", "translate(" + margin.left + "," + margin.top + ")");

  var x = d3.scaleBand()
    .rangeRound([0, width])
    .padding(0.08);

	var x1 = d3.scaleBand();
  
  var y = d3.scaleLinear()
    .range([height, 0]);

  var color = d3.scaleOrdinal()
    .range(["#7fc97f", "#beaed4", "#fdc086", "#ffff99"]);

var csv = 'Year,A,B,C,D\n1995,60,47,28,39\n1996,29,56,99,0\n1997,30,26,63,33\n1998,37,16,48,0\n1999,46,49,64,21\n2000,78,88,81,57\n2001,18,11,11,64\n2002,91,76,79,64\n2003,30,99,96,79';

var data = d3.csvParse(csv), columns = ["A", "B", "C", "D"];

data.forEach(function(d) {
    for (i = 1, t = 0; i < columns.length; ++i) t += d[columns[i]] = +d[columns[i]];
    d.total = t;
});

  var keys = columns;

  x.domain(data.map(function(d) { return d.Year; }));
  x1.domain(keys).rangeRound([0, x.bandwidth()]);
  y.domain([0, d3.max(data, function(d) { return d.total; })]).nice();
  color.domain(keys);

  g.append("g")
    .selectAll("g")
    .data(d3.stack().keys(keys)(data))
    .enter().append("g")
      .attr("fill", function(d) { return color(d.key); })
    .selectAll("rect")
    .data(function(d) { return d; })
    .enter().append("rect")
      .attr("x", function(d) { return x(d.data.Year); })
      .attr("y", function(d) { return y(d[1]); })
      .attr("height", function(d) { return y(d[0]) - y(d[1]); })
      .attr("width", x.bandwidth());

  rect = g.selectAll("rect");

  d3.selectAll("input")
    .on("change", changed);

  function changed() {
    if (this.value === "step1") transitionStep1();
    else if (this.value === "step2") transitionStep2();
  }

  function transitionStep1() {
    rect.transition()
      .attr("y", function(d) { return y(d[1]); })
      .attr("x", function(d) { return x(d.data.Year); })
    ...